Home / 29,001,709.48-40,023,386.14-15,949,978.60

Finding the Fourth Proportional to 29,001,709.48, 40,023,386.14 and 15,949,978.60

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Solution

The fourth proportional to 29,001,709.48, 40,023,386.14 and 15,949,978.60 is: 22,011,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001,709.48 : 40,023,386.14 = 15,949,978.60 : x
  2. Step 2: Convert to fraction form
    29,001,709.48/40,023,386.14 = 15,949,978.60/x
  3. Step 3: Cross multiply
    29,001,709.48x = 40,023,386.14 × 15,949,978.60
  4. Step 4: Simplify right side
    29,001,709.48x = 638,372,152,432,536.62
  5. Step 5: Solve for x
    x = 638,372,152,432,536.62/29,001,709.48
  6. Step 6: Final answer
    x = 22,011,535.32

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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.