Home / 10,001,678.94-13,802,359.23-5,418,000.32

Finding the Fourth Proportional to 10,001,678.94, 13,802,359.23 and 5,418,000.32

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Solution

The fourth proportional to 10,001,678.94, 13,802,359.23 and 5,418,000.32 is: 7,476,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001,678.94 : 13,802,359.23 = 5,418,000.32 : x
  2. Step 2: Convert to fraction form
    10,001,678.94/13,802,359.23 = 5,418,000.32/x
  3. Step 3: Cross multiply
    10,001,678.94x = 13,802,359.23 × 5,418,000.32
  4. Step 4: Simplify right side
    10,001,678.94x = 74,781,186,655,883.17
  5. Step 5: Solve for x
    x = 74,781,186,655,883.17/10,001,678.94
  6. Step 6: Final answer
    x = 7,476,863.35

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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.