Home / 19,974,649.88-29,883,140.76-15,390,972.47

Finding the Fourth Proportional to 19,974,649.88, 29,883,140.76 and 15,390,972.47

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Solution

The fourth proportional to 19,974,649.88, 29,883,140.76 and 15,390,972.47 is: 23,025,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974,649.88 : 29,883,140.76 = 15,390,972.47 : x
  2. Step 2: Convert to fraction form
    19,974,649.88/29,883,140.76 = 15,390,972.47/x
  3. Step 3: Cross multiply
    19,974,649.88x = 29,883,140.76 × 15,390,972.47
  4. Step 4: Simplify right side
    19,974,649.88x = 459,930,596,754,294.94
  5. Step 5: Solve for x
    x = 459,930,596,754,294.94/19,974,649.88
  6. Step 6: Final answer
    x = 23,025,715.07

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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.