Home / 20,216,153.04-30,313,440.42-10,490,973.93

Finding the Fourth Proportional to 20,216,153.04, 30,313,440.42 and 10,490,973.93

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Solution

The fourth proportional to 20,216,153.04, 30,313,440.42 and 10,490,973.93 is: 15,730,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,153.04 : 30,313,440.42 = 10,490,973.93 : x
  2. Step 2: Convert to fraction form
    20,216,153.04/30,313,440.42 = 10,490,973.93/x
  3. Step 3: Cross multiply
    20,216,153.04x = 30,313,440.42 × 10,490,973.93
  4. Step 4: Simplify right side
    20,216,153.04x = 318,017,513,174,828.25
  5. Step 5: Solve for x
    x = 318,017,513,174,828.25/20,216,153.04
  6. Step 6: Final answer
    x = 15,730,861.98

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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.