Home / 10,368,090.68-15,552,136.02-9,108,378.68

Finding the Fourth Proportional to 10,368,090.68, 15,552,136.02 and 9,108,378.68

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Solution

The fourth proportional to 10,368,090.68, 15,552,136.02 and 9,108,378.68 is: 13,662,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,090.68 : 15,552,136.02 = 9,108,378.68 : x
  2. Step 2: Convert to fraction form
    10,368,090.68/15,552,136.02 = 9,108,378.68/x
  3. Step 3: Cross multiply
    10,368,090.68x = 15,552,136.02 × 9,108,378.68
  4. Step 4: Simplify right side
    10,368,090.68x = 141,654,744,075,267.38
  5. Step 5: Solve for x
    x = 141,654,744,075,267.38/10,368,090.68
  6. Step 6: Final answer
    x = 13,662,568.02

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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.