Home / 28,966,666.80-43,450,000.20-28,518,769.20

Finding the Fourth Proportional to 28,966,666.80, 43,450,000.20 and 28,518,769.20

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Solution

The fourth proportional to 28,966,666.80, 43,450,000.20 and 28,518,769.20 is: 42,778,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966,666.80 : 43,450,000.20 = 28,518,769.20 : x
  2. Step 2: Convert to fraction form
    28,966,666.80/43,450,000.20 = 28,518,769.20/x
  3. Step 3: Cross multiply
    28,966,666.80x = 43,450,000.20 × 28,518,769.20
  4. Step 4: Simplify right side
    28,966,666.80x = 1,239,140,527,443,754
  5. Step 5: Solve for x
    x = 1,239,140,527,443,754/28,966,666.80
  6. Step 6: Final answer
    x = 42,778,153.80

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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.