Home / 8,749,419.40-13,124,129.10-5,544,152.20

Finding the Fourth Proportional to 8,749,419.40, 13,124,129.10 and 5,544,152.20

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Solution

The fourth proportional to 8,749,419.40, 13,124,129.10 and 5,544,152.20 is: 8,316,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,419.40 : 13,124,129.10 = 5,544,152.20 : x
  2. Step 2: Convert to fraction form
    8,749,419.40/13,124,129.10 = 5,544,152.20/x
  3. Step 3: Cross multiply
    8,749,419.40x = 13,124,129.10 × 5,544,152.20
  4. Step 4: Simplify right side
    8,749,419.40x = 72,762,169,222,849.02
  5. Step 5: Solve for x
    x = 72,762,169,222,849.02/8,749,419.40
  6. Step 6: Final answer
    x = 8,316,228.30

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Double scale
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1.5x scale

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.