Home / 12,934,761.60-19,402,142.40-5,359,209.60

Finding the Fourth Proportional to 12,934,761.60, 19,402,142.40 and 5,359,209.60

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Solution

The fourth proportional to 12,934,761.60, 19,402,142.40 and 5,359,209.60 is: 8,038,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,761.60 : 19,402,142.40 = 5,359,209.60 : x
  2. Step 2: Convert to fraction form
    12,934,761.60/19,402,142.40 = 5,359,209.60/x
  3. Step 3: Cross multiply
    12,934,761.60x = 19,402,142.40 × 5,359,209.60
  4. Step 4: Simplify right side
    12,934,761.60x = 103,980,147,810,647.03
  5. Step 5: Solve for x
    x = 103,980,147,810,647.03/12,934,761.60
  6. Step 6: Final answer
    x = 8,038,814.40

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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.