Home / 19,822,861.85-27,360,577.77-13,545,931.28

Finding the Fourth Proportional to 19,822,861.85, 27,360,577.77 and 13,545,931.28

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Solution

The fourth proportional to 19,822,861.85, 27,360,577.77 and 13,545,931.28 is: 18,696,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822,861.85 : 27,360,577.77 = 13,545,931.28 : x
  2. Step 2: Convert to fraction form
    19,822,861.85/27,360,577.77 = 13,545,931.28/x
  3. Step 3: Cross multiply
    19,822,861.85x = 27,360,577.77 × 13,545,931.28
  4. Step 4: Simplify right side
    19,822,861.85x = 370,624,506,253,515.62
  5. Step 5: Solve for x
    x = 370,624,506,253,515.62/19,822,861.85
  6. Step 6: Final answer
    x = 18,696,821.33

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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.