Home / 9,513,946.82-13,129,254.42-5,163,033

Finding the Fourth Proportional to 9,513,946.82, 13,129,254.42 and 5,163,033

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Solution

The fourth proportional to 9,513,946.82, 13,129,254.42 and 5,163,033 is: 7,124,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,946.82 : 13,129,254.42 = 5,163,033 : x
  2. Step 2: Convert to fraction form
    9,513,946.82/13,129,254.42 = 5,163,033/x
  3. Step 3: Cross multiply
    9,513,946.82x = 13,129,254.42 × 5,163,033
  4. Step 4: Simplify right side
    9,513,946.82x = 67,786,773,835,855.86
  5. Step 5: Solve for x
    x = 67,786,773,835,855.86/9,513,946.82
  6. Step 6: Final answer
    x = 7,124,989.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.