Home / 7,459,128.20-10,287,455.76-4,400,390.00

Finding the Fourth Proportional to 7,459,128.20, 10,287,455.76 and 4,400,390.00

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Solution

The fourth proportional to 7,459,128.20, 10,287,455.76 and 4,400,390.00 is: 6,068,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459,128.20 : 10,287,455.76 = 4,400,390.00 : x
  2. Step 2: Convert to fraction form
    7,459,128.20/10,287,455.76 = 4,400,390.00/x
  3. Step 3: Cross multiply
    7,459,128.20x = 10,287,455.76 × 4,400,390.00
  4. Step 4: Simplify right side
    7,459,128.20x = 45,268,817,477,465.04
  5. Step 5: Solve for x
    x = 45,268,817,477,465.04/7,459,128.20
  6. Step 6: Final answer
    x = 6,068,915.33

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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.