Home / 13,585,767.28-18,748,480.80-7,390,949.56

Finding the Fourth Proportional to 13,585,767.28, 18,748,480.80 and 7,390,949.56

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Solution

The fourth proportional to 13,585,767.28, 18,748,480.80 and 7,390,949.56 is: 10,199,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,767.28 : 18,748,480.80 = 7,390,949.56 : x
  2. Step 2: Convert to fraction form
    13,585,767.28/18,748,480.80 = 7,390,949.56/x
  3. Step 3: Cross multiply
    13,585,767.28x = 18,748,480.80 × 7,390,949.56
  4. Step 4: Simplify right side
    13,585,767.28x = 138,569,075,919,428.45
  5. Step 5: Solve for x
    x = 138,569,075,919,428.45/13,585,767.28
  6. Step 6: Final answer
    x = 10,199,576.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.