Home / 39,063,897.76-53,903,224.02-21,418,156.66

Finding the Fourth Proportional to 39,063,897.76, 53,903,224.02 and 21,418,156.66

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Solution

The fourth proportional to 39,063,897.76, 53,903,224.02 and 21,418,156.66 is: 29,554,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063,897.76 : 53,903,224.02 = 21,418,156.66 : x
  2. Step 2: Convert to fraction form
    39,063,897.76/53,903,224.02 = 21,418,156.66/x
  3. Step 3: Cross multiply
    39,063,897.76x = 53,903,224.02 × 21,418,156.66
  4. Step 4: Simplify right side
    39,063,897.76x = 1,154,507,696,539,435
  5. Step 5: Solve for x
    x = 1,154,507,696,539,435/39,063,897.76
  6. Step 6: Final answer
    x = 29,554,339.50

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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.