Home / 15,376,079.83-21,219,433.02-8,501,004.76

Finding the Fourth Proportional to 15,376,079.83, 21,219,433.02 and 8,501,004.76

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Solution

The fourth proportional to 15,376,079.83, 21,219,433.02 and 8,501,004.76 is: 11,731,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,079.83 : 21,219,433.02 = 8,501,004.76 : x
  2. Step 2: Convert to fraction form
    15,376,079.83/21,219,433.02 = 8,501,004.76/x
  3. Step 3: Cross multiply
    15,376,079.83x = 21,219,433.02 × 8,501,004.76
  4. Step 4: Simplify right side
    15,376,079.83x = 180,386,501,107,521.16
  5. Step 5: Solve for x
    x = 180,386,501,107,521.16/15,376,079.83
  6. Step 6: Final answer
    x = 11,731,631.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.