Home / 28,567,638.48-39,423,572.58-15,514,990.74

Finding the Fourth Proportional to 28,567,638.48, 39,423,572.58 and 15,514,990.74

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Solution

The fourth proportional to 28,567,638.48, 39,423,572.58 and 15,514,990.74 is: 21,410,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567,638.48 : 39,423,572.58 = 15,514,990.74 : x
  2. Step 2: Convert to fraction form
    28,567,638.48/39,423,572.58 = 15,514,990.74/x
  3. Step 3: Cross multiply
    28,567,638.48x = 39,423,572.58 × 15,514,990.74
  4. Step 4: Simplify right side
    28,567,638.48x = 611,656,363,516,417.88
  5. Step 5: Solve for x
    x = 611,656,363,516,417.88/28,567,638.48
  6. Step 6: Final answer
    x = 21,410,812.94

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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.