Home / 12,142,728.96-16,759,038.96-7,248,203.52

Finding the Fourth Proportional to 12,142,728.96, 16,759,038.96 and 7,248,203.52

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Solution

The fourth proportional to 12,142,728.96, 16,759,038.96 and 7,248,203.52 is: 10,003,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,728.96 : 16,759,038.96 = 7,248,203.52 : x
  2. Step 2: Convert to fraction form
    12,142,728.96/16,759,038.96 = 7,248,203.52/x
  3. Step 3: Cross multiply
    12,142,728.96x = 16,759,038.96 × 7,248,203.52
  4. Step 4: Simplify right side
    12,142,728.96x = 121,472,925,181,689.14
  5. Step 5: Solve for x
    x = 121,472,925,181,689.14/12,142,728.96
  6. Step 6: Final answer
    x = 10,003,758.26

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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.