Home / 10,351,807.20-15,527,710.80-2,779,538.40

Finding the Fourth Proportional to 10,351,807.20, 15,527,710.80 and 2,779,538.40

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Solution

The fourth proportional to 10,351,807.20, 15,527,710.80 and 2,779,538.40 is: 4,169,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,807.20 : 15,527,710.80 = 2,779,538.40 : x
  2. Step 2: Convert to fraction form
    10,351,807.20/15,527,710.80 = 2,779,538.40/x
  3. Step 3: Cross multiply
    10,351,807.20x = 15,527,710.80 × 2,779,538.40
  4. Step 4: Simplify right side
    10,351,807.20x = 43,159,868,432,694.72
  5. Step 5: Solve for x
    x = 43,159,868,432,694.72/10,351,807.20
  6. Step 6: Final answer
    x = 4,169,307.60

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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.