Home / 19,720,068.60-29,580,102.90-19,436,633.40

Finding the Fourth Proportional to 19,720,068.60, 29,580,102.90 and 19,436,633.40

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Solution

The fourth proportional to 19,720,068.60, 29,580,102.90 and 19,436,633.40 is: 29,154,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,068.60 : 29,580,102.90 = 19,436,633.40 : x
  2. Step 2: Convert to fraction form
    19,720,068.60/29,580,102.90 = 19,436,633.40/x
  3. Step 3: Cross multiply
    19,720,068.60x = 29,580,102.90 × 19,436,633.40
  4. Step 4: Simplify right side
    19,720,068.60x = 574,937,616,001,576.75
  5. Step 5: Solve for x
    x = 574,937,616,001,576.75/19,720,068.60
  6. Step 6: Final answer
    x = 29,154,950.10

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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.