Home / 28,750,809.38-43,101,019.80-10,812,510.50

Finding the Fourth Proportional to 28,750,809.38, 43,101,019.80 and 10,812,510.50

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Solution

The fourth proportional to 28,750,809.38, 43,101,019.80 and 10,812,510.50 is: 16,209,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750,809.38 : 43,101,019.80 = 10,812,510.50 : x
  2. Step 2: Convert to fraction form
    28,750,809.38/43,101,019.80 = 10,812,510.50/x
  3. Step 3: Cross multiply
    28,750,809.38x = 43,101,019.80 × 10,812,510.50
  4. Step 4: Simplify right side
    28,750,809.38x = 466,030,229,148,207.88
  5. Step 5: Solve for x
    x = 466,030,229,148,207.88/28,750,809.38
  6. Step 6: Final answer
    x = 16,209,290.77

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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.