Home / 10,120,607.20-13,966,595.40-5,537,005.12

Finding the Fourth Proportional to 10,120,607.20, 13,966,595.40 and 5,537,005.12

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Solution

The fourth proportional to 10,120,607.20, 13,966,595.40 and 5,537,005.12 is: 7,641,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,607.20 : 13,966,595.40 = 5,537,005.12 : x
  2. Step 2: Convert to fraction form
    10,120,607.20/13,966,595.40 = 5,537,005.12/x
  3. Step 3: Cross multiply
    10,120,607.20x = 13,966,595.40 × 5,537,005.12
  4. Step 4: Simplify right side
    10,120,607.20x = 77,333,110,238,768.45
  5. Step 5: Solve for x
    x = 77,333,110,238,768.45/10,120,607.20
  6. Step 6: Final answer
    x = 7,641,153.21

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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.