Home / 9,520,075.56-13,137,569.82-5,390,000.16

Finding the Fourth Proportional to 9,520,075.56, 13,137,569.82 and 5,390,000.16

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Solution

The fourth proportional to 9,520,075.56, 13,137,569.82 and 5,390,000.16 is: 7,438,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520,075.56 : 13,137,569.82 = 5,390,000.16 : x
  2. Step 2: Convert to fraction form
    9,520,075.56/13,137,569.82 = 5,390,000.16/x
  3. Step 3: Cross multiply
    9,520,075.56x = 13,137,569.82 × 5,390,000.16
  4. Step 4: Simplify right side
    9,520,075.56x = 70,811,503,431,811.17
  5. Step 5: Solve for x
    x = 70,811,503,431,811.17/9,520,075.56
  6. Step 6: Final answer
    x = 7,438,124.10

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1.5x scale

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.