Home / 52,570,011.60-78,855,017.40-18,486,928.80

Finding the Fourth Proportional to 52,570,011.60, 78,855,017.40 and 18,486,928.80

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Solution

The fourth proportional to 52,570,011.60, 78,855,017.40 and 18,486,928.80 is: 27,730,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570,011.60 : 78,855,017.40 = 18,486,928.80 : x
  2. Step 2: Convert to fraction form
    52,570,011.60/78,855,017.40 = 18,486,928.80/x
  3. Step 3: Cross multiply
    52,570,011.60x = 78,855,017.40 × 18,486,928.80
  4. Step 4: Simplify right side
    52,570,011.60x = 1,457,787,092,196,561.25
  5. Step 5: Solve for x
    x = 1,457,787,092,196,561.25/52,570,011.60
  6. Step 6: Final answer
    x = 27,730,393.20

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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.