Home / 10,005,068.64-13,807,042.74-5,421,398.52

Finding the Fourth Proportional to 10,005,068.64, 13,807,042.74 and 5,421,398.52

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Solution

The fourth proportional to 10,005,068.64, 13,807,042.74 and 5,421,398.52 is: 7,481,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,068.64 : 13,807,042.74 = 5,421,398.52 : x
  2. Step 2: Convert to fraction form
    10,005,068.64/13,807,042.74 = 5,421,398.52/x
  3. Step 3: Cross multiply
    10,005,068.64x = 13,807,042.74 × 5,421,398.52
  4. Step 4: Simplify right side
    10,005,068.64x = 74,853,481,076,212.73
  5. Step 5: Solve for x
    x = 74,853,481,076,212.73/10,005,068.64
  6. Step 6: Final answer
    x = 7,481,555.98

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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.