Home / 28,791,071.04-39,731,681.02-15,738,383.14

Finding the Fourth Proportional to 28,791,071.04, 39,731,681.02 and 15,738,383.14

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Solution

The fourth proportional to 28,791,071.04, 39,731,681.02 and 15,738,383.14 is: 21,718,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791,071.04 : 39,731,681.02 = 15,738,383.14 : x
  2. Step 2: Convert to fraction form
    28,791,071.04/39,731,681.02 = 15,738,383.14/x
  3. Step 3: Cross multiply
    28,791,071.04x = 39,731,681.02 × 15,738,383.14
  4. Step 4: Simplify right side
    28,791,071.04x = 625,312,418,689,026.12
  5. Step 5: Solve for x
    x = 625,312,418,689,026.12/28,791,071.04
  6. Step 6: Final answer
    x = 21,718,970.36

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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.