Home / 10,429,061.80-15,643,592.70-2,856,015.40

Finding the Fourth Proportional to 10,429,061.80, 15,643,592.70 and 2,856,015.40

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Solution

The fourth proportional to 10,429,061.80, 15,643,592.70 and 2,856,015.40 is: 4,284,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,061.80 : 15,643,592.70 = 2,856,015.40 : x
  2. Step 2: Convert to fraction form
    10,429,061.80/15,643,592.70 = 2,856,015.40/x
  3. Step 3: Cross multiply
    10,429,061.80x = 15,643,592.70 × 2,856,015.40
  4. Step 4: Simplify right side
    10,429,061.80x = 44,678,341,662,527.58
  5. Step 5: Solve for x
    x = 44,678,341,662,527.58/10,429,061.80
  6. Step 6: Final answer
    x = 4,284,023.10

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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.