Home / 6,439,158.40-9,658,737.60-6,339,625.60

Finding the Fourth Proportional to 6,439,158.40, 9,658,737.60 and 6,339,625.60

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Solution

The fourth proportional to 6,439,158.40, 9,658,737.60 and 6,339,625.60 is: 9,509,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,158.40 : 9,658,737.60 = 6,339,625.60 : x
  2. Step 2: Convert to fraction form
    6,439,158.40/9,658,737.60 = 6,339,625.60/x
  3. Step 3: Cross multiply
    6,439,158.40x = 9,658,737.60 × 6,339,625.60
  4. Step 4: Simplify right side
    6,439,158.40x = 61,232,780,152,642.55
  5. Step 5: Solve for x
    x = 61,232,780,152,642.55/6,439,158.40
  6. Step 6: Final answer
    x = 9,509,438.40

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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.