Home / 12,516,740.96-18,774,925.12-3,418,823.36

Finding the Fourth Proportional to 12,516,740.96, 18,774,925.12 and 3,418,823.36

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Solution

The fourth proportional to 12,516,740.96, 18,774,925.12 and 3,418,823.36 is: 5,128,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,740.96 : 18,774,925.12 = 3,418,823.36 : x
  2. Step 2: Convert to fraction form
    12,516,740.96/18,774,925.12 = 3,418,823.36/x
  3. Step 3: Cross multiply
    12,516,740.96x = 18,774,925.12 × 3,418,823.36
  4. Step 4: Simplify right side
    12,516,740.96x = 64,188,152,582,506.80
  5. Step 5: Solve for x
    x = 64,188,152,582,506.80/12,516,740.96
  6. Step 6: Final answer
    x = 5,128,184.15

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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.