Home / 39,575,781.84-59,360,769.72-12,642,206.16

Finding the Fourth Proportional to 39,575,781.84, 59,360,769.72 and 12,642,206.16

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Solution

The fourth proportional to 39,575,781.84, 59,360,769.72 and 12,642,206.16 is: 18,962,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575,781.84 : 59,360,769.72 = 12,642,206.16 : x
  2. Step 2: Convert to fraction form
    39,575,781.84/59,360,769.72 = 12,642,206.16/x
  3. Step 3: Cross multiply
    39,575,781.84x = 59,360,769.72 × 12,642,206.16
  4. Step 4: Simplify right side
    39,575,781.84x = 750,451,088,616,525.50
  5. Step 5: Solve for x
    x = 750,451,088,616,525.50/39,575,781.84
  6. Step 6: Final answer
    x = 18,962,381.88

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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.