Home / 12,590,103.52-17,374,343.70-7,157,595.52

Finding the Fourth Proportional to 12,590,103.52, 17,374,343.70 and 7,157,595.52

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Solution

The fourth proportional to 12,590,103.52, 17,374,343.70 and 7,157,595.52 is: 9,877,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,103.52 : 17,374,343.70 = 7,157,595.52 : x
  2. Step 2: Convert to fraction form
    12,590,103.52/17,374,343.70 = 7,157,595.52/x
  3. Step 3: Cross multiply
    12,590,103.52x = 17,374,343.70 × 7,157,595.52
  4. Step 4: Simplify right side
    12,590,103.52x = 124,358,524,630,060.20
  5. Step 5: Solve for x
    x = 124,358,524,630,060.20/12,590,103.52
  6. Step 6: Final answer
    x = 9,877,482.30

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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.