Home / 13,561,538.10-20,342,307.15-9,018,701.70

Finding the Fourth Proportional to 13,561,538.10, 20,342,307.15 and 9,018,701.70

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Solution

The fourth proportional to 13,561,538.10, 20,342,307.15 and 9,018,701.70 is: 13,528,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,538.10 : 20,342,307.15 = 9,018,701.70 : x
  2. Step 2: Convert to fraction form
    13,561,538.10/20,342,307.15 = 9,018,701.70/x
  3. Step 3: Cross multiply
    13,561,538.10x = 20,342,307.15 × 9,018,701.70
  4. Step 4: Simplify right side
    13,561,538.10x = 183,461,200,075,627.12
  5. Step 5: Solve for x
    x = 183,461,200,075,627.12/13,561,538.10
  6. Step 6: Final answer
    x = 13,528,052.55

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1.5x scale

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.