Home / 15,520,771,313.82-21,422,649,565.75-10,108,793,084.16

Finding the Fourth Proportional to 15,520,771,313.82, 21,422,649,565.75 and 10,108,793,084.16

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Solution

The fourth proportional to 15,520,771,313.82, 21,422,649,565.75 and 10,108,793,084.16 is: 13,952,730,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,771,313.82 : 21,422,649,565.75 = 10,108,793,084.16 : x
  2. Step 2: Convert to fraction form
    15,520,771,313.82/21,422,649,565.75 = 10,108,793,084.16/x
  3. Step 3: Cross multiply
    15,520,771,313.82x = 21,422,649,565.75 × 10,108,793,084.16
  4. Step 4: Simplify right side
    15,520,771,313.82x = 216,557,131,774,636,818,432
  5. Step 5: Solve for x
    x = 216,557,131,774,636,818,432/15,520,771,313.82
  6. Step 6: Final answer
    x = 13,952,730,015.54

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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.