Home / 19,548,045.90-29,322,068.85-12,391,307.10

Finding the Fourth Proportional to 19,548,045.90, 29,322,068.85 and 12,391,307.10

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Solution

The fourth proportional to 19,548,045.90, 29,322,068.85 and 12,391,307.10 is: 18,586,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548,045.90 : 29,322,068.85 = 12,391,307.10 : x
  2. Step 2: Convert to fraction form
    19,548,045.90/29,322,068.85 = 12,391,307.10/x
  3. Step 3: Cross multiply
    19,548,045.90x = 29,322,068.85 × 12,391,307.10
  4. Step 4: Simplify right side
    19,548,045.90x = 363,338,759,927,693.81
  5. Step 5: Solve for x
    x = 363,338,759,927,693.81/19,548,045.90
  6. Step 6: Final answer
    x = 18,586,960.65

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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.