Home / 9,915,649.74-13,683,868.02-5,565,005.73

Finding the Fourth Proportional to 9,915,649.74, 13,683,868.02 and 5,565,005.73

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Solution

The fourth proportional to 9,915,649.74, 13,683,868.02 and 5,565,005.73 is: 7,679,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915,649.74 : 13,683,868.02 = 5,565,005.73 : x
  2. Step 2: Convert to fraction form
    9,915,649.74/13,683,868.02 = 5,565,005.73/x
  3. Step 3: Cross multiply
    9,915,649.74x = 13,683,868.02 × 5,565,005.73
  4. Step 4: Simplify right side
    9,915,649.74x = 76,150,803,939,863.77
  5. Step 5: Solve for x
    x = 76,150,803,939,863.77/9,915,649.74
  6. Step 6: Final answer
    x = 7,679,860.21

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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.