Home / 12,997,410.52-17,934,036.10-7,490,013.16

Finding the Fourth Proportional to 12,997,410.52, 17,934,036.10 and 7,490,013.16

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Solution

The fourth proportional to 12,997,410.52, 17,934,036.10 and 7,490,013.16 is: 10,334,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,410.52 : 17,934,036.10 = 7,490,013.16 : x
  2. Step 2: Convert to fraction form
    12,997,410.52/17,934,036.10 = 7,490,013.16/x
  3. Step 3: Cross multiply
    12,997,410.52x = 17,934,036.10 × 7,490,013.16
  4. Step 4: Simplify right side
    12,997,410.52x = 134,326,166,400,915.09
  5. Step 5: Solve for x
    x = 134,326,166,400,915.09/12,997,410.52
  6. Step 6: Final answer
    x = 10,334,840.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.