Home / 9,121,515.76-12,587,693.30-4,991,547.97

Finding the Fourth Proportional to 9,121,515.76, 12,587,693.30 and 4,991,547.97

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Solution

The fourth proportional to 9,121,515.76, 12,587,693.30 and 4,991,547.97 is: 6,888,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,515.76 : 12,587,693.30 = 4,991,547.97 : x
  2. Step 2: Convert to fraction form
    9,121,515.76/12,587,693.30 = 4,991,547.97/x
  3. Step 3: Cross multiply
    9,121,515.76x = 12,587,693.30 × 4,991,547.97
  4. Step 4: Simplify right side
    9,121,515.76x = 62,832,074,938,597.60
  5. Step 5: Solve for x
    x = 62,832,074,938,597.60/9,121,515.76
  6. Step 6: Final answer
    x = 6,888,337.05

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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.