Home / 16,716,938.60-25,128,860.70-15,533,604.20

Finding the Fourth Proportional to 16,716,938.60, 25,128,860.70 and 15,533,604.20

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Solution

The fourth proportional to 16,716,938.60, 25,128,860.70 and 15,533,604.20 is: 23,350,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716,938.60 : 25,128,860.70 = 15,533,604.20 : x
  2. Step 2: Convert to fraction form
    16,716,938.60/25,128,860.70 = 15,533,604.20/x
  3. Step 3: Cross multiply
    16,716,938.60x = 25,128,860.70 × 15,533,604.20
  4. Step 4: Simplify right side
    16,716,938.60x = 390,341,776,110,734.94
  5. Step 5: Solve for x
    x = 390,341,776,110,734.94/16,716,938.60
  6. Step 6: Final answer
    x = 23,350,075.36

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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.