Home / 15,461,368.76-23,184,119.84-8,178,759.20

Finding the Fourth Proportional to 15,461,368.76, 23,184,119.84 and 8,178,759.20

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Solution

The fourth proportional to 15,461,368.76, 23,184,119.84 and 8,178,759.20 is: 12,263,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461,368.76 : 23,184,119.84 = 8,178,759.20 : x
  2. Step 2: Convert to fraction form
    15,461,368.76/23,184,119.84 = 8,178,759.20/x
  3. Step 3: Cross multiply
    15,461,368.76x = 23,184,119.84 × 8,178,759.20
  4. Step 4: Simplify right side
    15,461,368.76x = 189,617,333,435,302.53
  5. Step 5: Solve for x
    x = 189,617,333,435,302.53/15,461,368.76
  6. Step 6: Final answer
    x = 12,263,942.24

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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.