Home / 10,466,476.20-15,697,640.70-5,075,116.20

Finding the Fourth Proportional to 10,466,476.20, 15,697,640.70 and 5,075,116.20

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Solution

The fourth proportional to 10,466,476.20, 15,697,640.70 and 5,075,116.20 is: 7,611,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466,476.20 : 15,697,640.70 = 5,075,116.20 : x
  2. Step 2: Convert to fraction form
    10,466,476.20/15,697,640.70 = 5,075,116.20/x
  3. Step 3: Cross multiply
    10,466,476.20x = 15,697,640.70 × 5,075,116.20
  4. Step 4: Simplify right side
    10,466,476.20x = 79,667,350,618,349.34
  5. Step 5: Solve for x
    x = 79,667,350,618,349.34/10,466,476.20
  6. Step 6: Final answer
    x = 7,611,668.83

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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.