Home / 28,328,095.60-42,436,156.20-15,525,689.20

Finding the Fourth Proportional to 28,328,095.60, 42,436,156.20 and 15,525,689.20

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Solution

The fourth proportional to 28,328,095.60, 42,436,156.20 and 15,525,689.20 is: 23,257,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,095.60 : 42,436,156.20 = 15,525,689.20 : x
  2. Step 2: Convert to fraction form
    28,328,095.60/42,436,156.20 = 15,525,689.20/x
  3. Step 3: Cross multiply
    28,328,095.60x = 42,436,156.20 × 15,525,689.20
  4. Step 4: Simplify right side
    28,328,095.60x = 658,850,572,003,853
  5. Step 5: Solve for x
    x = 658,850,572,003,853/28,328,095.60
  6. Step 6: Final answer
    x = 23,257,849.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.