Home / 9,506,985-13,119,660.90-5,432,594.28

Finding the Fourth Proportional to 9,506,985, 13,119,660.90 and 5,432,594.28

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Solution

The fourth proportional to 9,506,985, 13,119,660.90 and 5,432,594.28 is: 7,496,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506,985 : 13,119,660.90 = 5,432,594.28 : x
  2. Step 2: Convert to fraction form
    9,506,985/13,119,660.90 = 5,432,594.28/x
  3. Step 3: Cross multiply
    9,506,985x = 13,119,660.90 × 5,432,594.28
  4. Step 4: Simplify right side
    9,506,985x = 71,273,794,760,879.66
  5. Step 5: Solve for x
    x = 71,273,794,760,879.66/9,506,985
  6. Step 6: Final answer
    x = 7,496,992.45

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Double scale
Find fourth proportional to 9,506,986, 13,119,662.28 and 5,432,595.28
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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.