Home / 14,012,364.30-21,018,546.45-11,780,312.10

Finding the Fourth Proportional to 14,012,364.30, 21,018,546.45 and 11,780,312.10

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Solution

The fourth proportional to 14,012,364.30, 21,018,546.45 and 11,780,312.10 is: 17,670,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,364.30 : 21,018,546.45 = 11,780,312.10 : x
  2. Step 2: Convert to fraction form
    14,012,364.30/21,018,546.45 = 11,780,312.10/x
  3. Step 3: Cross multiply
    14,012,364.30x = 21,018,546.45 × 11,780,312.10
  4. Step 4: Simplify right side
    14,012,364.30x = 247,605,037,069,347.03
  5. Step 5: Solve for x
    x = 247,605,037,069,347.03/14,012,364.30
  6. Step 6: Final answer
    x = 17,670,468.15

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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.