Home / 30,585,368.76-45,878,176.84-12,389,908.10

Finding the Fourth Proportional to 30,585,368.76, 45,878,176.84 and 12,389,908.10

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Solution

The fourth proportional to 30,585,368.76, 45,878,176.84 and 12,389,908.10 is: 18,584,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585,368.76 : 45,878,176.84 = 12,389,908.10 : x
  2. Step 2: Convert to fraction form
    30,585,368.76/45,878,176.84 = 12,389,908.10/x
  3. Step 3: Cross multiply
    30,585,368.76x = 45,878,176.84 × 12,389,908.10
  4. Step 4: Simplify right side
    30,585,368.76x = 568,426,394,843,148.38
  5. Step 5: Solve for x
    x = 568,426,394,843,148.38/30,585,368.76
  6. Step 6: Final answer
    x = 18,584,912.26

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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.