Home / 12,506,032.64-18,653,902.88-11,357,945.12

Finding the Fourth Proportional to 12,506,032.64, 18,653,902.88 and 11,357,945.12

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Solution

The fourth proportional to 12,506,032.64, 18,653,902.88 and 11,357,945.12 is: 16,941,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,032.64 : 18,653,902.88 = 11,357,945.12 : x
  2. Step 2: Convert to fraction form
    12,506,032.64/18,653,902.88 = 11,357,945.12/x
  3. Step 3: Cross multiply
    12,506,032.64x = 18,653,902.88 × 11,357,945.12
  4. Step 4: Simplify right side
    12,506,032.64x = 211,870,005,184,849.91
  5. Step 5: Solve for x
    x = 211,870,005,184,849.91/12,506,032.64
  6. Step 6: Final answer
    x = 16,941,424.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.