Home / 22,690,400.61-31,312,952.69-12,377,169.57

Finding the Fourth Proportional to 22,690,400.61, 31,312,952.69 and 12,377,169.57

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Solution

The fourth proportional to 22,690,400.61, 31,312,952.69 and 12,377,169.57 is: 17,080,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690,400.61 : 31,312,952.69 = 12,377,169.57 : x
  2. Step 2: Convert to fraction form
    22,690,400.61/31,312,952.69 = 12,377,169.57/x
  3. Step 3: Cross multiply
    22,690,400.61x = 31,312,952.69 × 12,377,169.57
  4. Step 4: Simplify right side
    22,690,400.61x = 387,565,725,119,631.81
  5. Step 5: Solve for x
    x = 387,565,725,119,631.81/22,690,400.61
  6. Step 6: Final answer
    x = 17,080,603.02

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1.5x scale

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.