Home / 7,258,139.20-10,887,208.80-4,736,641.60

Finding the Fourth Proportional to 7,258,139.20, 10,887,208.80 and 4,736,641.60

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Solution

The fourth proportional to 7,258,139.20, 10,887,208.80 and 4,736,641.60 is: 7,104,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,139.20 : 10,887,208.80 = 4,736,641.60 : x
  2. Step 2: Convert to fraction form
    7,258,139.20/10,887,208.80 = 4,736,641.60/x
  3. Step 3: Cross multiply
    7,258,139.20x = 10,887,208.80 × 4,736,641.60
  4. Step 4: Simplify right side
    7,258,139.20x = 51,568,806,109,966.08
  5. Step 5: Solve for x
    x = 51,568,806,109,966.08/7,258,139.20
  6. Step 6: Final answer
    x = 7,104,962.40

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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.