Home / 10,142,643.53-15,214,668.55-4,077,377.66

Finding the Fourth Proportional to 10,142,643.53, 15,214,668.55 and 4,077,377.66

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Solution

The fourth proportional to 10,142,643.53, 15,214,668.55 and 4,077,377.66 is: 6,116,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,643.53 : 15,214,668.55 = 4,077,377.66 : x
  2. Step 2: Convert to fraction form
    10,142,643.53/15,214,668.55 = 4,077,377.66/x
  3. Step 3: Cross multiply
    10,142,643.53x = 15,214,668.55 × 4,077,377.66
  4. Step 4: Simplify right side
    10,142,643.53x = 62,035,949,563,807.80
  5. Step 5: Solve for x
    x = 62,035,949,563,807.80/10,142,643.53
  6. Step 6: Final answer
    x = 6,116,349.20

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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.