Home / 22,574,931.12-31,153,815.32-12,787,407.44

Finding the Fourth Proportional to 22,574,931.12, 31,153,815.32 and 12,787,407.44

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Solution

The fourth proportional to 22,574,931.12, 31,153,815.32 and 12,787,407.44 is: 17,646,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574,931.12 : 31,153,815.32 = 12,787,407.44 : x
  2. Step 2: Convert to fraction form
    22,574,931.12/31,153,815.32 = 12,787,407.44/x
  3. Step 3: Cross multiply
    22,574,931.12x = 31,153,815.32 × 12,787,407.44
  4. Step 4: Simplify right side
    22,574,931.12x = 398,376,529,807,353.94
  5. Step 5: Solve for x
    x = 398,376,529,807,353.94/22,574,931.12
  6. Step 6: Final answer
    x = 17,646,854.72

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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.