Home / 28,687,851.32-39,588,222.02-15,634,851.17

Finding the Fourth Proportional to 28,687,851.32, 39,588,222.02 and 15,634,851.17

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Solution

The fourth proportional to 28,687,851.32, 39,588,222.02 and 15,634,851.17 is: 21,575,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687,851.32 : 39,588,222.02 = 15,634,851.17 : x
  2. Step 2: Convert to fraction form
    28,687,851.32/39,588,222.02 = 15,634,851.17/x
  3. Step 3: Cross multiply
    28,687,851.32x = 39,588,222.02 × 15,634,851.17
  4. Step 4: Simplify right side
    28,687,851.32x = 618,955,959,091,501.38
  5. Step 5: Solve for x
    x = 618,955,959,091,501.38/28,687,851.32
  6. Step 6: Final answer
    x = 21,575,542.63

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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.