Home / 19,984,499.81-29,931,347.48-15,639,471.30

Finding the Fourth Proportional to 19,984,499.81, 29,931,347.48 and 15,639,471.30

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Solution

The fourth proportional to 19,984,499.81, 29,931,347.48 and 15,639,471.30 is: 23,423,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984,499.81 : 29,931,347.48 = 15,639,471.30 : x
  2. Step 2: Convert to fraction form
    19,984,499.81/29,931,347.48 = 15,639,471.30/x
  3. Step 3: Cross multiply
    19,984,499.81x = 29,931,347.48 × 15,639,471.30
  4. Step 4: Simplify right side
    19,984,499.81x = 468,110,449,805,590
  5. Step 5: Solve for x
    x = 468,110,449,805,590/19,984,499.81
  6. Step 6: Final answer
    x = 23,423,676.07

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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.