Home / 10,516,222.80-15,774,334.20-10,020,211.20

Finding the Fourth Proportional to 10,516,222.80, 15,774,334.20 and 10,020,211.20

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Solution

The fourth proportional to 10,516,222.80, 15,774,334.20 and 10,020,211.20 is: 15,030,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,222.80 : 15,774,334.20 = 10,020,211.20 : x
  2. Step 2: Convert to fraction form
    10,516,222.80/15,774,334.20 = 10,020,211.20/x
  3. Step 3: Cross multiply
    10,516,222.80x = 15,774,334.20 × 10,020,211.20
  4. Step 4: Simplify right side
    10,516,222.80x = 158,062,160,223,383.03
  5. Step 5: Solve for x
    x = 158,062,160,223,383.03/10,516,222.80
  6. Step 6: Final answer
    x = 15,030,316.80

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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.