Home / 52,152,885.40-78,225,828.90-13,813,576.60

Finding the Fourth Proportional to 52,152,885.40, 78,225,828.90 and 13,813,576.60

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Solution

The fourth proportional to 52,152,885.40, 78,225,828.90 and 13,813,576.60 is: 20,719,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,885.40 : 78,225,828.90 = 13,813,576.60 : x
  2. Step 2: Convert to fraction form
    52,152,885.40/78,225,828.90 = 13,813,576.60/x
  3. Step 3: Cross multiply
    52,152,885.40x = 78,225,828.90 × 13,813,576.60
  4. Step 4: Simplify right side
    52,152,885.40x = 1,080,578,479,608,643.75
  5. Step 5: Solve for x
    x = 1,080,578,479,608,643.75/52,152,885.40
  6. Step 6: Final answer
    x = 20,719,438.08

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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.