Home / 6,439,563.20-9,659,344.80-6,355,582.40

Finding the Fourth Proportional to 6,439,563.20, 9,659,344.80 and 6,355,582.40

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Solution

The fourth proportional to 6,439,563.20, 9,659,344.80 and 6,355,582.40 is: 9,533,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,563.20 : 9,659,344.80 = 6,355,582.40 : x
  2. Step 2: Convert to fraction form
    6,439,563.20/9,659,344.80 = 6,355,582.40/x
  3. Step 3: Cross multiply
    6,439,563.20x = 9,659,344.80 × 6,355,582.40
  4. Step 4: Simplify right side
    6,439,563.20x = 61,390,761,806,411.53
  5. Step 5: Solve for x
    x = 61,390,761,806,411.53/6,439,563.20
  6. Step 6: Final answer
    x = 9,533,373.60

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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.