Home / 13,123,931.40-18,328,714.20-13,123,931.40

Finding the Fourth Proportional to 13,123,931.40, 18,328,714.20 and 13,123,931.40

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Solution

The fourth proportional to 13,123,931.40, 18,328,714.20 and 13,123,931.40 is: 18,328,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,931.40 : 18,328,714.20 = 13,123,931.40 : x
  2. Step 2: Convert to fraction form
    13,123,931.40/18,328,714.20 = 13,123,931.40/x
  3. Step 3: Cross multiply
    13,123,931.40x = 18,328,714.20 × 13,123,931.40
  4. Step 4: Simplify right side
    13,123,931.40x = 240,544,787,811,005.88
  5. Step 5: Solve for x
    x = 240,544,787,811,005.88/13,123,931.40
  6. Step 6: Final answer
    x = 18,328,714.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.