Home / 8,298,955.20-12,448,432.80-5,748,038.40

Finding the Fourth Proportional to 8,298,955.20, 12,448,432.80 and 5,748,038.40

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Solution

The fourth proportional to 8,298,955.20, 12,448,432.80 and 5,748,038.40 is: 8,622,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,955.20 : 12,448,432.80 = 5,748,038.40 : x
  2. Step 2: Convert to fraction form
    8,298,955.20/12,448,432.80 = 5,748,038.40/x
  3. Step 3: Cross multiply
    8,298,955.20x = 12,448,432.80 × 5,748,038.40
  4. Step 4: Simplify right side
    8,298,955.20x = 71,554,069,754,219.53
  5. Step 5: Solve for x
    x = 71,554,069,754,219.53/8,298,955.20
  6. Step 6: Final answer
    x = 8,622,057.60

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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.