Home / 21,684,605.04-29,924,475.55-12,392,068.56

Finding the Fourth Proportional to 21,684,605.04, 29,924,475.55 and 12,392,068.56

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Solution

The fourth proportional to 21,684,605.04, 29,924,475.55 and 12,392,068.56 is: 17,100,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,605.04 : 29,924,475.55 = 12,392,068.56 : x
  2. Step 2: Convert to fraction form
    21,684,605.04/29,924,475.55 = 12,392,068.56/x
  3. Step 3: Cross multiply
    21,684,605.04x = 29,924,475.55 × 12,392,068.56
  4. Step 4: Simplify right side
    21,684,605.04x = 370,826,152,637,643.75
  5. Step 5: Solve for x
    x = 370,826,152,637,643.75/21,684,605.04
  6. Step 6: Final answer
    x = 17,100,894.95

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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.