Home / 10,335,740.40-15,506,915.40-3,148,642.80

Finding the Fourth Proportional to 10,335,740.40, 15,506,915.40 and 3,148,642.80

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Solution

The fourth proportional to 10,335,740.40, 15,506,915.40 and 3,148,642.80 is: 4,723,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335,740.40 : 15,506,915.40 = 3,148,642.80 : x
  2. Step 2: Convert to fraction form
    10,335,740.40/15,506,915.40 = 3,148,642.80/x
  3. Step 3: Cross multiply
    10,335,740.40x = 15,506,915.40 × 3,148,642.80
  4. Step 4: Simplify right side
    10,335,740.40x = 48,825,737,524,419.12
  5. Step 5: Solve for x
    x = 48,825,737,524,419.12/10,335,740.40
  6. Step 6: Final answer
    x = 4,723,970.96

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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.