Home / 10,781,724.40-14,878,666.80-5,886,932.32

Finding the Fourth Proportional to 10,781,724.40, 14,878,666.80 and 5,886,932.32

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Solution

The fourth proportional to 10,781,724.40, 14,878,666.80 and 5,886,932.32 is: 8,123,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,724.40 : 14,878,666.80 = 5,886,932.32 : x
  2. Step 2: Convert to fraction form
    10,781,724.40/14,878,666.80 = 5,886,932.32/x
  3. Step 3: Cross multiply
    10,781,724.40x = 14,878,666.80 × 5,886,932.32
  4. Step 4: Simplify right side
    10,781,724.40x = 87,589,704,463,430.98
  5. Step 5: Solve for x
    x = 87,589,704,463,430.98/10,781,724.40
  6. Step 6: Final answer
    x = 8,123,904.97

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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.