Home / 12,127,908.60-18,191,862.90-4,935,740.40

Finding the Fourth Proportional to 12,127,908.60, 18,191,862.90 and 4,935,740.40

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Solution

The fourth proportional to 12,127,908.60, 18,191,862.90 and 4,935,740.40 is: 7,403,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,908.60 : 18,191,862.90 = 4,935,740.40 : x
  2. Step 2: Convert to fraction form
    12,127,908.60/18,191,862.90 = 4,935,740.40/x
  3. Step 3: Cross multiply
    12,127,908.60x = 18,191,862.90 × 4,935,740.40
  4. Step 4: Simplify right side
    12,127,908.60x = 89,790,312,666,791.16
  5. Step 5: Solve for x
    x = 89,790,312,666,791.16/12,127,908.60
  6. Step 6: Final answer
    x = 7,403,610.60

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1.5x scale

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.