Home / 32,931,505.78-45,445,433.45-18,248,123.09

Finding the Fourth Proportional to 32,931,505.78, 45,445,433.45 and 18,248,123.09

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Solution

The fourth proportional to 32,931,505.78, 45,445,433.45 and 18,248,123.09 is: 25,182,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931,505.78 : 45,445,433.45 = 18,248,123.09 : x
  2. Step 2: Convert to fraction form
    32,931,505.78/45,445,433.45 = 18,248,123.09/x
  3. Step 3: Cross multiply
    32,931,505.78x = 45,445,433.45 × 18,248,123.09
  4. Step 4: Simplify right side
    32,931,505.78x = 829,293,863,496,376.38
  5. Step 5: Solve for x
    x = 829,293,863,496,376.38/32,931,505.78
  6. Step 6: Final answer
    x = 25,182,385.19

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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.