Home / 13,068,603.64-18,032,030.22-7,635,045.88

Finding the Fourth Proportional to 13,068,603.64, 18,032,030.22 and 7,635,045.88

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Solution

The fourth proportional to 13,068,603.64, 18,032,030.22 and 7,635,045.88 is: 10,534,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,603.64 : 18,032,030.22 = 7,635,045.88 : x
  2. Step 2: Convert to fraction form
    13,068,603.64/18,032,030.22 = 7,635,045.88/x
  3. Step 3: Cross multiply
    13,068,603.64x = 18,032,030.22 × 7,635,045.88
  4. Step 4: Simplify right side
    13,068,603.64x = 137,675,378,039,246.48
  5. Step 5: Solve for x
    x = 137,675,378,039,246.48/13,068,603.64
  6. Step 6: Final answer
    x = 10,534,819.31

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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.