Home / 13,980,315.47-19,282,897.05-9,331,756.70

Finding the Fourth Proportional to 13,980,315.47, 19,282,897.05 and 9,331,756.70

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Solution

The fourth proportional to 13,980,315.47, 19,282,897.05 and 9,331,756.70 is: 12,871,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,315.47 : 19,282,897.05 = 9,331,756.70 : x
  2. Step 2: Convert to fraction form
    13,980,315.47/19,282,897.05 = 9,331,756.70/x
  3. Step 3: Cross multiply
    13,980,315.47x = 19,282,897.05 × 9,331,756.70
  4. Step 4: Simplify right side
    13,980,315.47x = 179,943,303,741,747.72
  5. Step 5: Solve for x
    x = 179,943,303,741,747.72/13,980,315.47
  6. Step 6: Final answer
    x = 12,871,190.51

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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.