Home / 25,531,569.60-38,297,354.40-12,776,985.60

Finding the Fourth Proportional to 25,531,569.60, 38,297,354.40 and 12,776,985.60

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Solution

The fourth proportional to 25,531,569.60, 38,297,354.40 and 12,776,985.60 is: 19,165,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531,569.60 : 38,297,354.40 = 12,776,985.60 : x
  2. Step 2: Convert to fraction form
    25,531,569.60/38,297,354.40 = 12,776,985.60/x
  3. Step 3: Cross multiply
    25,531,569.60x = 38,297,354.40 × 12,776,985.60
  4. Step 4: Simplify right side
    25,531,569.60x = 489,324,745,686,896.62
  5. Step 5: Solve for x
    x = 489,324,745,686,896.62/25,531,569.60
  6. Step 6: Final answer
    x = 19,165,478.40

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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.