Home / 19,429,443.60-29,162,827.80-9,855,632.40

Finding the Fourth Proportional to 19,429,443.60, 29,162,827.80 and 9,855,632.40

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Solution

The fourth proportional to 19,429,443.60, 29,162,827.80 and 9,855,632.40 is: 14,792,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429,443.60 : 29,162,827.80 = 9,855,632.40 : x
  2. Step 2: Convert to fraction form
    19,429,443.60/29,162,827.80 = 9,855,632.40/x
  3. Step 3: Cross multiply
    19,429,443.60x = 29,162,827.80 × 9,855,632.40
  4. Step 4: Simplify right side
    19,429,443.60x = 287,418,110,541,300.75
  5. Step 5: Solve for x
    x = 287,418,110,541,300.75/19,429,443.60
  6. Step 6: Final answer
    x = 14,792,915.15

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1.5x scale

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.