Home / 38,190,844.60-52,704,478.50-20,788,312.12

Finding the Fourth Proportional to 38,190,844.60, 52,704,478.50 and 20,788,312.12

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Solution

The fourth proportional to 38,190,844.60, 52,704,478.50 and 20,788,312.12 is: 28,688,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190,844.60 : 52,704,478.50 = 20,788,312.12 : x
  2. Step 2: Convert to fraction form
    38,190,844.60/52,704,478.50 = 20,788,312.12/x
  3. Step 3: Cross multiply
    38,190,844.60x = 52,704,478.50 × 20,788,312.12
  4. Step 4: Simplify right side
    38,190,844.60x = 1,095,637,149,179,829.50
  5. Step 5: Solve for x
    x = 1,095,637,149,179,829.50/38,190,844.60
  6. Step 6: Final answer
    x = 28,688,476.54

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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.