Home / 8,911,561.92-13,357,389.60-8,194,148.16

Finding the Fourth Proportional to 8,911,561.92, 13,357,389.60 and 8,194,148.16

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Solution

The fourth proportional to 8,911,561.92, 13,357,389.60 and 8,194,148.16 is: 12,282,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,561.92 : 13,357,389.60 = 8,194,148.16 : x
  2. Step 2: Convert to fraction form
    8,911,561.92/13,357,389.60 = 8,194,148.16/x
  3. Step 3: Cross multiply
    8,911,561.92x = 13,357,389.60 × 8,194,148.16
  4. Step 4: Simplify right side
    8,911,561.92x = 109,452,429,413,243.14
  5. Step 5: Solve for x
    x = 109,452,429,413,243.14/8,911,561.92
  6. Step 6: Final answer
    x = 12,282,070.24

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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.