Home / 12,459,390.60-18,692,585.10-6,069,851.40

Finding the Fourth Proportional to 12,459,390.60, 18,692,585.10 and 6,069,851.40

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Solution

The fourth proportional to 12,459,390.60, 18,692,585.10 and 6,069,851.40 is: 9,106,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,390.60 : 18,692,585.10 = 6,069,851.40 : x
  2. Step 2: Convert to fraction form
    12,459,390.60/18,692,585.10 = 6,069,851.40/x
  3. Step 3: Cross multiply
    12,459,390.60x = 18,692,585.10 × 6,069,851.40
  4. Step 4: Simplify right side
    12,459,390.60x = 113,461,213,838,854.16
  5. Step 5: Solve for x
    x = 113,461,213,838,854.16/12,459,390.60
  6. Step 6: Final answer
    x = 9,106,481.81

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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.