Home / 13,068,605.64-18,032,032.98-7,635,047.88

Finding the Fourth Proportional to 13,068,605.64, 18,032,032.98 and 7,635,047.88

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Solution

The fourth proportional to 13,068,605.64, 18,032,032.98 and 7,635,047.88 is: 10,534,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,605.64 : 18,032,032.98 = 7,635,047.88 : x
  2. Step 2: Convert to fraction form
    13,068,605.64/18,032,032.98 = 7,635,047.88/x
  3. Step 3: Cross multiply
    13,068,605.64x = 18,032,032.98 × 7,635,047.88
  4. Step 4: Simplify right side
    13,068,605.64x = 137,675,435,176,039.08
  5. Step 5: Solve for x
    x = 137,675,435,176,039.08/13,068,605.64
  6. Step 6: Final answer
    x = 10,534,822.07

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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.