Home / 28,977,052.36-39,986,398.50-15,924,030.40

Finding the Fourth Proportional to 28,977,052.36, 39,986,398.50 and 15,924,030.40

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Solution

The fourth proportional to 28,977,052.36, 39,986,398.50 and 15,924,030.40 is: 21,974,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,052.36 : 39,986,398.50 = 15,924,030.40 : x
  2. Step 2: Convert to fraction form
    28,977,052.36/39,986,398.50 = 15,924,030.40/x
  3. Step 3: Cross multiply
    28,977,052.36x = 39,986,398.50 × 15,924,030.40
  4. Step 4: Simplify right side
    28,977,052.36x = 636,744,625,300,514.38
  5. Step 5: Solve for x
    x = 636,744,625,300,514.38/28,977,052.36
  6. Step 6: Final answer
    x = 21,974,099.28

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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.