Home / 22,040,510.03-30,415,128.08-12,117,320.47

Finding the Fourth Proportional to 22,040,510.03, 30,415,128.08 and 12,117,320.47

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Solution

The fourth proportional to 22,040,510.03, 30,415,128.08 and 12,117,320.47 is: 16,721,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040,510.03 : 30,415,128.08 = 12,117,320.47 : x
  2. Step 2: Convert to fraction form
    22,040,510.03/30,415,128.08 = 12,117,320.47/x
  3. Step 3: Cross multiply
    22,040,510.03x = 30,415,128.08 × 12,117,320.47
  4. Step 4: Simplify right side
    22,040,510.03x = 368,549,853,887,803
  5. Step 5: Solve for x
    x = 368,549,853,887,803/22,040,510.03
  6. Step 6: Final answer
    x = 16,721,475.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.