Home / 30,344,052.09-45,527,545.31-18,221,966.72

Finding the Fourth Proportional to 30,344,052.09, 45,527,545.31 and 18,221,966.72

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Solution

The fourth proportional to 30,344,052.09, 45,527,545.31 and 18,221,966.72 is: 27,339,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,052.09 : 45,527,545.31 = 18,221,966.72 : x
  2. Step 2: Convert to fraction form
    30,344,052.09/45,527,545.31 = 18,221,966.72/x
  3. Step 3: Cross multiply
    30,344,052.09x = 45,527,545.31 × 18,221,966.72
  4. Step 4: Simplify right side
    30,344,052.09x = 829,601,415,163,364.50
  5. Step 5: Solve for x
    x = 829,601,415,163,364.50/30,344,052.09
  6. Step 6: Final answer
    x = 27,339,836.25

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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.