Home / 12,121,938.07-18,182,464.13-3,602,053.10

Finding the Fourth Proportional to 12,121,938.07, 18,182,464.13 and 3,602,053.10

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Solution

The fourth proportional to 12,121,938.07, 18,182,464.13 and 3,602,053.10 is: 5,402,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,938.07 : 18,182,464.13 = 3,602,053.10 : x
  2. Step 2: Convert to fraction form
    12,121,938.07/18,182,464.13 = 3,602,053.10/x
  3. Step 3: Cross multiply
    12,121,938.07x = 18,182,464.13 × 3,602,053.10
  4. Step 4: Simplify right side
    12,121,938.07x = 65,494,201,339,566.60
  5. Step 5: Solve for x
    x = 65,494,201,339,566.60/12,121,938.07
  6. Step 6: Final answer
    x = 5,402,948.02

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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.