Home / 13,154,897.96-18,153,832.01-7,353,924.20

Finding the Fourth Proportional to 13,154,897.96, 18,153,832.01 and 7,353,924.20

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Solution

The fourth proportional to 13,154,897.96, 18,153,832.01 and 7,353,924.20 is: 10,148,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154,897.96 : 18,153,832.01 = 7,353,924.20 : x
  2. Step 2: Convert to fraction form
    13,154,897.96/18,153,832.01 = 7,353,924.20/x
  3. Step 3: Cross multiply
    13,154,897.96x = 18,153,832.01 × 7,353,924.20
  4. Step 4: Simplify right side
    13,154,897.96x = 133,501,904,413,534.86
  5. Step 5: Solve for x
    x = 133,501,904,413,534.86/13,154,897.96
  6. Step 6: Final answer
    x = 10,148,456.10

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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.