Home / 17,670,763.40-26,506,145.10-12,887,794.40

Finding the Fourth Proportional to 17,670,763.40, 26,506,145.10 and 12,887,794.40

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Solution

The fourth proportional to 17,670,763.40, 26,506,145.10 and 12,887,794.40 is: 19,331,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,763.40 : 26,506,145.10 = 12,887,794.40 : x
  2. Step 2: Convert to fraction form
    17,670,763.40/26,506,145.10 = 12,887,794.40/x
  3. Step 3: Cross multiply
    17,670,763.40x = 26,506,145.10 × 12,887,794.40
  4. Step 4: Simplify right side
    17,670,763.40x = 341,605,748,385,367.50
  5. Step 5: Solve for x
    x = 341,605,748,385,367.50/17,670,763.40
  6. Step 6: Final answer
    x = 19,331,691.60

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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.