Home / 30,035,655.05-45,026,762.83-10,862,149.46

Finding the Fourth Proportional to 30,035,655.05, 45,026,762.83 and 10,862,149.46

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Solution

The fourth proportional to 30,035,655.05, 45,026,762.83 and 10,862,149.46 is: 16,283,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035,655.05 : 45,026,762.83 = 10,862,149.46 : x
  2. Step 2: Convert to fraction form
    30,035,655.05/45,026,762.83 = 10,862,149.46/x
  3. Step 3: Cross multiply
    30,035,655.05x = 45,026,762.83 × 10,862,149.46
  4. Step 4: Simplify right side
    30,035,655.05x = 489,087,427,307,143.38
  5. Step 5: Solve for x
    x = 489,087,427,307,143.38/30,035,655.05
  6. Step 6: Final answer
    x = 16,283,561.21

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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.