Home / 13,257,981.04-19,887,812.13-4,160,437.71

Finding the Fourth Proportional to 13,257,981.04, 19,887,812.13 and 4,160,437.71

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Solution

The fourth proportional to 13,257,981.04, 19,887,812.13 and 4,160,437.71 is: 6,240,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,981.04 : 19,887,812.13 = 4,160,437.71 : x
  2. Step 2: Convert to fraction form
    13,257,981.04/19,887,812.13 = 4,160,437.71/x
  3. Step 3: Cross multiply
    13,257,981.04x = 19,887,812.13 × 4,160,437.71
  4. Step 4: Simplify right side
    13,257,981.04x = 82,742,003,555,047.42
  5. Step 5: Solve for x
    x = 82,742,003,555,047.42/13,257,981.04
  6. Step 6: Final answer
    x = 6,240,920.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.