Home / 20,736,176.40-31,104,264.60-20,610,205.20

Finding the Fourth Proportional to 20,736,176.40, 31,104,264.60 and 20,610,205.20

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Solution

The fourth proportional to 20,736,176.40, 31,104,264.60 and 20,610,205.20 is: 30,915,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,176.40 : 31,104,264.60 = 20,610,205.20 : x
  2. Step 2: Convert to fraction form
    20,736,176.40/31,104,264.60 = 20,610,205.20/x
  3. Step 3: Cross multiply
    20,736,176.40x = 31,104,264.60 × 20,610,205.20
  4. Step 4: Simplify right side
    20,736,176.40x = 641,065,276,001,095.88
  5. Step 5: Solve for x
    x = 641,065,276,001,095.88/20,736,176.40
  6. Step 6: Final answer
    x = 30,915,307.80

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1.5x scale

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.