Home / 19,148,429.60-28,741,306.80-9,574,618.40

Finding the Fourth Proportional to 19,148,429.60, 28,741,306.80 and 9,574,618.40

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Solution

The fourth proportional to 19,148,429.60, 28,741,306.80 and 9,574,618.40 is: 14,371,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148,429.60 : 28,741,306.80 = 9,574,618.40 : x
  2. Step 2: Convert to fraction form
    19,148,429.60/28,741,306.80 = 9,574,618.40/x
  3. Step 3: Cross multiply
    19,148,429.60x = 28,741,306.80 × 9,574,618.40
  4. Step 4: Simplify right side
    19,148,429.60x = 275,187,044,927,325.12
  5. Step 5: Solve for x
    x = 275,187,044,927,325.12/19,148,429.60
  6. Step 6: Final answer
    x = 14,371,259.19

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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.