Home / 20,118,897.90-30,182,283.45-8,604,342.90

Finding the Fourth Proportional to 20,118,897.90, 30,182,283.45 and 8,604,342.90

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Solution

The fourth proportional to 20,118,897.90, 30,182,283.45 and 8,604,342.90 is: 12,908,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,897.90 : 30,182,283.45 = 8,604,342.90 : x
  2. Step 2: Convert to fraction form
    20,118,897.90/30,182,283.45 = 8,604,342.90/x
  3. Step 3: Cross multiply
    20,118,897.90x = 30,182,283.45 × 8,604,342.90
  4. Step 4: Simplify right side
    20,118,897.90x = 259,698,716,308,795
  5. Step 5: Solve for x
    x = 259,698,716,308,795/20,118,897.90
  6. Step 6: Final answer
    x = 12,908,197.93

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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.