Home / 42,964,872.90-64,445,561.52-10,615,960.82

Finding the Fourth Proportional to 42,964,872.90, 64,445,561.52 and 10,615,960.82

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Solution

The fourth proportional to 42,964,872.90, 64,445,561.52 and 10,615,960.82 is: 15,923,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,964,872.90 : 64,445,561.52 = 10,615,960.82 : x
  2. Step 2: Convert to fraction form
    42,964,872.90/64,445,561.52 = 10,615,960.82/x
  3. Step 3: Cross multiply
    42,964,872.90x = 64,445,561.52 × 10,615,960.82
  4. Step 4: Simplify right side
    42,964,872.90x = 684,151,556,119,219.75
  5. Step 5: Solve for x
    x = 684,151,556,119,219.75/42,964,872.90
  6. Step 6: Final answer
    x = 15,923,509.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.