Home / 12,212,432.64-18,406,430.54-10,526,919.12

Finding the Fourth Proportional to 12,212,432.64, 18,406,430.54 and 10,526,919.12

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Solution

The fourth proportional to 12,212,432.64, 18,406,430.54 and 10,526,919.12 is: 15,866,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,432.64 : 18,406,430.54 = 10,526,919.12 : x
  2. Step 2: Convert to fraction form
    12,212,432.64/18,406,430.54 = 10,526,919.12/x
  3. Step 3: Cross multiply
    12,212,432.64x = 18,406,430.54 × 10,526,919.12
  4. Step 4: Simplify right side
    12,212,432.64x = 193,763,005,582,477.91
  5. Step 5: Solve for x
    x = 193,763,005,582,477.91/12,212,432.64
  6. Step 6: Final answer
    x = 15,866,044.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.