Home / 20,736,062.60-31,104,093.90-15,626,712.20

Finding the Fourth Proportional to 20,736,062.60, 31,104,093.90 and 15,626,712.20

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Solution

The fourth proportional to 20,736,062.60, 31,104,093.90 and 15,626,712.20 is: 23,440,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,062.60 : 31,104,093.90 = 15,626,712.20 : x
  2. Step 2: Convert to fraction form
    20,736,062.60/31,104,093.90 = 15,626,712.20/x
  3. Step 3: Cross multiply
    20,736,062.60x = 31,104,093.90 × 15,626,712.20
  4. Step 4: Simplify right side
    20,736,062.60x = 486,054,723,617,075.56
  5. Step 5: Solve for x
    x = 486,054,723,617,075.56/20,736,062.60
  6. Step 6: Final answer
    x = 23,440,068.30

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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.