Home / 10,342,381.90-15,513,572.85-8,748,058.90

Finding the Fourth Proportional to 10,342,381.90, 15,513,572.85 and 8,748,058.90

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Solution

The fourth proportional to 10,342,381.90, 15,513,572.85 and 8,748,058.90 is: 13,122,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,381.90 : 15,513,572.85 = 8,748,058.90 : x
  2. Step 2: Convert to fraction form
    10,342,381.90/15,513,572.85 = 8,748,058.90/x
  3. Step 3: Cross multiply
    10,342,381.90x = 15,513,572.85 × 8,748,058.90
  4. Step 4: Simplify right side
    10,342,381.90x = 135,713,649,041,240.88
  5. Step 5: Solve for x
    x = 135,713,649,041,240.88/10,342,381.90
  6. Step 6: Final answer
    x = 13,122,088.35

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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.