Home / 21,261,354.59-31,896,683.06-6,885,875.54

Finding the Fourth Proportional to 21,261,354.59, 31,896,683.06 and 6,885,875.54

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Solution

The fourth proportional to 21,261,354.59, 31,896,683.06 and 6,885,875.54 is: 10,330,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,354.59 : 31,896,683.06 = 6,885,875.54 : x
  2. Step 2: Convert to fraction form
    21,261,354.59/31,896,683.06 = 6,885,875.54/x
  3. Step 3: Cross multiply
    21,261,354.59x = 31,896,683.06 × 6,885,875.54
  4. Step 4: Simplify right side
    21,261,354.59x = 219,636,589,774,031.75
  5. Step 5: Solve for x
    x = 219,636,589,774,031.75/21,261,354.59
  6. Step 6: Final answer
    x = 10,330,319.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.