Home / 7,345,869.30-11,018,803.95-5,554,278.90

Finding the Fourth Proportional to 7,345,869.30, 11,018,803.95 and 5,554,278.90

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Solution

The fourth proportional to 7,345,869.30, 11,018,803.95 and 5,554,278.90 is: 8,331,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,869.30 : 11,018,803.95 = 5,554,278.90 : x
  2. Step 2: Convert to fraction form
    7,345,869.30/11,018,803.95 = 5,554,278.90/x
  3. Step 3: Cross multiply
    7,345,869.30x = 11,018,803.95 × 5,554,278.90
  4. Step 4: Simplify right side
    7,345,869.30x = 61,201,510,282,721.66
  5. Step 5: Solve for x
    x = 61,201,510,282,721.66/7,345,869.30
  6. Step 6: Final answer
    x = 8,331,418.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.