Home / 15,506,981.04-21,399,634.44-8,631,315.84

Finding the Fourth Proportional to 15,506,981.04, 21,399,634.44 and 8,631,315.84

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Solution

The fourth proportional to 15,506,981.04, 21,399,634.44 and 8,631,315.84 is: 11,911,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506,981.04 : 21,399,634.44 = 8,631,315.84 : x
  2. Step 2: Convert to fraction form
    15,506,981.04/21,399,634.44 = 8,631,315.84/x
  3. Step 3: Cross multiply
    15,506,981.04x = 21,399,634.44 × 8,631,315.84
  4. Step 4: Simplify right side
    15,506,981.04x = 184,707,003,712,181.53
  5. Step 5: Solve for x
    x = 184,707,003,712,181.53/15,506,981.04
  6. Step 6: Final answer
    x = 11,911,216.20

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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.