Home / 7,403,007-10,216,078.74-4,139,784.12

Finding the Fourth Proportional to 7,403,007, 10,216,078.74 and 4,139,784.12

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Solution

The fourth proportional to 7,403,007, 10,216,078.74 and 4,139,784.12 is: 5,712,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403,007 : 10,216,078.74 = 4,139,784.12 : x
  2. Step 2: Convert to fraction form
    7,403,007/10,216,078.74 = 4,139,784.12/x
  3. Step 3: Cross multiply
    7,403,007x = 10,216,078.74 × 4,139,784.12
  4. Step 4: Simplify right side
    7,403,007x = 42,292,360,536,521.61
  5. Step 5: Solve for x
    x = 42,292,360,536,521.61/7,403,007
  6. Step 6: Final answer
    x = 5,712,862.43

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Double scale
Find fourth proportional to 7,403,008, 10,216,080.12 and 4,139,785.12
Similar ratio
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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.