Home / 8,814,631.20-13,221,946.80-5,791,322.40

Finding the Fourth Proportional to 8,814,631.20, 13,221,946.80 and 5,791,322.40

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Solution

The fourth proportional to 8,814,631.20, 13,221,946.80 and 5,791,322.40 is: 8,686,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814,631.20 : 13,221,946.80 = 5,791,322.40 : x
  2. Step 2: Convert to fraction form
    8,814,631.20/13,221,946.80 = 5,791,322.40/x
  3. Step 3: Cross multiply
    8,814,631.20x = 13,221,946.80 × 5,791,322.40
  4. Step 4: Simplify right side
    8,814,631.20x = 76,572,556,674,448.33
  5. Step 5: Solve for x
    x = 76,572,556,674,448.33/8,814,631.20
  6. Step 6: Final answer
    x = 8,686,983.60

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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.