Home / 40,381,308.10-60,571,962.15-18,808,740.10

Finding the Fourth Proportional to 40,381,308.10, 60,571,962.15 and 18,808,740.10

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Solution

The fourth proportional to 40,381,308.10, 60,571,962.15 and 18,808,740.10 is: 28,213,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381,308.10 : 60,571,962.15 = 18,808,740.10 : x
  2. Step 2: Convert to fraction form
    40,381,308.10/60,571,962.15 = 18,808,740.10/x
  3. Step 3: Cross multiply
    40,381,308.10x = 60,571,962.15 × 18,808,740.10
  4. Step 4: Simplify right side
    40,381,308.10x = 1,139,282,293,426,387.25
  5. Step 5: Solve for x
    x = 1,139,282,293,426,387.25/40,381,308.10
  6. Step 6: Final answer
    x = 28,213,110.15

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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.