Home / 34,085,074.95-47,038,564.05-20,158,368.30

Finding the Fourth Proportional to 34,085,074.95, 47,038,564.05 and 20,158,368.30

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Solution

The fourth proportional to 34,085,074.95, 47,038,564.05 and 20,158,368.30 is: 27,819,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085,074.95 : 47,038,564.05 = 20,158,368.30 : x
  2. Step 2: Convert to fraction form
    34,085,074.95/47,038,564.05 = 20,158,368.30/x
  3. Step 3: Cross multiply
    34,085,074.95x = 47,038,564.05 × 20,158,368.30
  4. Step 4: Simplify right side
    34,085,074.95x = 948,220,698,423,039.62
  5. Step 5: Solve for x
    x = 948,220,698,423,039.62/34,085,074.95
  6. Step 6: Final answer
    x = 27,819,234.66

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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.