Home / 13,124,535.60-19,686,803.40-7,384,972.80

Finding the Fourth Proportional to 13,124,535.60, 19,686,803.40 and 7,384,972.80

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Solution

The fourth proportional to 13,124,535.60, 19,686,803.40 and 7,384,972.80 is: 11,077,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,535.60 : 19,686,803.40 = 7,384,972.80 : x
  2. Step 2: Convert to fraction form
    13,124,535.60/19,686,803.40 = 7,384,972.80/x
  3. Step 3: Cross multiply
    13,124,535.60x = 19,686,803.40 × 7,384,972.80
  4. Step 4: Simplify right side
    13,124,535.60x = 145,386,507,627,947.50
  5. Step 5: Solve for x
    x = 145,386,507,627,947.50/13,124,535.60
  6. Step 6: Final answer
    x = 11,077,459.20

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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.