Home / 10,429,543.60-15,644,315.40-6,603,168.40

Finding the Fourth Proportional to 10,429,543.60, 15,644,315.40 and 6,603,168.40

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Solution

The fourth proportional to 10,429,543.60, 15,644,315.40 and 6,603,168.40 is: 9,904,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,543.60 : 15,644,315.40 = 6,603,168.40 : x
  2. Step 2: Convert to fraction form
    10,429,543.60/15,644,315.40 = 6,603,168.40/x
  3. Step 3: Cross multiply
    10,429,543.60x = 15,644,315.40 × 6,603,168.40
  4. Step 4: Simplify right side
    10,429,543.60x = 103,302,049,088,913.38
  5. Step 5: Solve for x
    x = 103,302,049,088,913.38/10,429,543.60
  6. Step 6: Final answer
    x = 9,904,752.60

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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.