Home / 12,729,461.04-19,094,243.56-5,156,570.16

Finding the Fourth Proportional to 12,729,461.04, 19,094,243.56 and 5,156,570.16

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Solution

The fourth proportional to 12,729,461.04, 19,094,243.56 and 5,156,570.16 is: 7,734,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,461.04 : 19,094,243.56 = 5,156,570.16 : x
  2. Step 2: Convert to fraction form
    12,729,461.04/19,094,243.56 = 5,156,570.16/x
  3. Step 3: Cross multiply
    12,729,461.04x = 19,094,243.56 × 5,156,570.16
  4. Step 4: Simplify right side
    12,729,461.04x = 98,460,806,569,268.17
  5. Step 5: Solve for x
    x = 98,460,806,569,268.17/12,729,461.04
  6. Step 6: Final answer
    x = 7,734,876.30

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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.