Home / 13,879,864.50-19,154,811.66-7,684,911.36

Finding the Fourth Proportional to 13,879,864.50, 19,154,811.66 and 7,684,911.36

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Solution

The fourth proportional to 13,879,864.50, 19,154,811.66 and 7,684,911.36 is: 10,605,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,864.50 : 19,154,811.66 = 7,684,911.36 : x
  2. Step 2: Convert to fraction form
    13,879,864.50/19,154,811.66 = 7,684,911.36/x
  3. Step 3: Cross multiply
    13,879,864.50x = 19,154,811.66 × 7,684,911.36
  4. Step 4: Simplify right side
    13,879,864.50x = 147,203,029,724,594.47
  5. Step 5: Solve for x
    x = 147,203,029,724,594.47/13,879,864.50
  6. Step 6: Final answer
    x = 10,605,509.13

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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.