Home / 14,270,218.74-19,692,915.33-8,158,775.22

Finding the Fourth Proportional to 14,270,218.74, 19,692,915.33 and 8,158,775.22

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Solution

The fourth proportional to 14,270,218.74, 19,692,915.33 and 8,158,775.22 is: 11,259,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,218.74 : 19,692,915.33 = 8,158,775.22 : x
  2. Step 2: Convert to fraction form
    14,270,218.74/19,692,915.33 = 8,158,775.22/x
  3. Step 3: Cross multiply
    14,270,218.74x = 19,692,915.33 × 8,158,775.22
  4. Step 4: Simplify right side
    14,270,218.74x = 160,670,069,603,962.09
  5. Step 5: Solve for x
    x = 160,670,069,603,962.09/14,270,218.74
  6. Step 6: Final answer
    x = 11,259,117.50

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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.