Home / 12,459,728.60-18,693,092.10-6,070,189.40

Finding the Fourth Proportional to 12,459,728.60, 18,693,092.10 and 6,070,189.40

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Solution

The fourth proportional to 12,459,728.60, 18,693,092.10 and 6,070,189.40 is: 9,106,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,728.60 : 18,693,092.10 = 6,070,189.40 : x
  2. Step 2: Convert to fraction form
    12,459,728.60/18,693,092.10 = 6,070,189.40/x
  3. Step 3: Cross multiply
    12,459,728.60x = 18,693,092.10 × 6,070,189.40
  4. Step 4: Simplify right side
    12,459,728.60x = 113,470,609,518,643.75
  5. Step 5: Solve for x
    x = 113,470,609,518,643.75/12,459,728.60
  6. Step 6: Final answer
    x = 9,106,988.86

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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.