Home / 10,866,020.40-16,300,998.90-5,461,068.60

Finding the Fourth Proportional to 10,866,020.40, 16,300,998.90 and 5,461,068.60

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Solution

The fourth proportional to 10,866,020.40, 16,300,998.90 and 5,461,068.60 is: 8,192,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,020.40 : 16,300,998.90 = 5,461,068.60 : x
  2. Step 2: Convert to fraction form
    10,866,020.40/16,300,998.90 = 5,461,068.60/x
  3. Step 3: Cross multiply
    10,866,020.40x = 16,300,998.90 × 5,461,068.60
  4. Step 4: Simplify right side
    10,866,020.40x = 89,020,873,241,424.53
  5. Step 5: Solve for x
    x = 89,020,873,241,424.53/10,866,020.40
  6. Step 6: Final answer
    x = 8,192,592.13

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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.