Home / 13,145,737.13-18,141,124.93-7,344,518.87

Finding the Fourth Proportional to 13,145,737.13, 18,141,124.93 and 7,344,518.87

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Solution

The fourth proportional to 13,145,737.13, 18,141,124.93 and 7,344,518.87 is: 10,135,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,737.13 : 18,141,124.93 = 7,344,518.87 : x
  2. Step 2: Convert to fraction form
    13,145,737.13/18,141,124.93 = 7,344,518.87/x
  3. Step 3: Cross multiply
    13,145,737.13x = 18,141,124.93 × 7,344,518.87
  4. Step 4: Simplify right side
    13,145,737.13x = 133,237,834,262,345.50
  5. Step 5: Solve for x
    x = 133,237,834,262,345.50/13,145,737.13
  6. Step 6: Final answer
    x = 10,135,440.33

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1.5x scale

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.