Home / 13,053,259.92-18,013,798.71-7,173,259.67

Finding the Fourth Proportional to 13,053,259.92, 18,013,798.71 and 7,173,259.67

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Solution

The fourth proportional to 13,053,259.92, 18,013,798.71 and 7,173,259.67 is: 9,899,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,259.92 : 18,013,798.71 = 7,173,259.67 : x
  2. Step 2: Convert to fraction form
    13,053,259.92/18,013,798.71 = 7,173,259.67/x
  3. Step 3: Cross multiply
    13,053,259.92x = 18,013,798.71 × 7,173,259.67
  4. Step 4: Simplify right side
    13,053,259.92x = 129,217,655,834,975.53
  5. Step 5: Solve for x
    x = 129,217,655,834,975.53/13,053,259.92
  6. Step 6: Final answer
    x = 9,899,263.22

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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.