Home / 23,169,412.08-31,974,009.12-12,857,094.72

Finding the Fourth Proportional to 23,169,412.08, 31,974,009.12 and 12,857,094.72

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Solution

The fourth proportional to 23,169,412.08, 31,974,009.12 and 12,857,094.72 is: 17,742,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169,412.08 : 31,974,009.12 = 12,857,094.72 : x
  2. Step 2: Convert to fraction form
    23,169,412.08/31,974,009.12 = 12,857,094.72/x
  3. Step 3: Cross multiply
    23,169,412.08x = 31,974,009.12 × 12,857,094.72
  4. Step 4: Simplify right side
    23,169,412.08x = 411,092,863,833,983.88
  5. Step 5: Solve for x
    x = 411,092,863,833,983.88/23,169,412.08
  6. Step 6: Final answer
    x = 17,742,913.04

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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.