Home / 8,779,290.60-12,115,891.14-4,911,581.16

Finding the Fourth Proportional to 8,779,290.60, 12,115,891.14 and 4,911,581.16

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Solution

The fourth proportional to 8,779,290.60, 12,115,891.14 and 4,911,581.16 is: 6,778,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,290.60 : 12,115,891.14 = 4,911,581.16 : x
  2. Step 2: Convert to fraction form
    8,779,290.60/12,115,891.14 = 4,911,581.16/x
  3. Step 3: Cross multiply
    8,779,290.60x = 12,115,891.14 × 4,911,581.16
  4. Step 4: Simplify right side
    8,779,290.60x = 59,508,182,659,834.93
  5. Step 5: Solve for x
    x = 59,508,182,659,834.93/8,779,290.60
  6. Step 6: Final answer
    x = 6,778,245.01

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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.