Home / 12,395,257.60-18,592,886.40-10,411,211.20

Finding the Fourth Proportional to 12,395,257.60, 18,592,886.40 and 10,411,211.20

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Solution

The fourth proportional to 12,395,257.60, 18,592,886.40 and 10,411,211.20 is: 15,616,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,257.60 : 18,592,886.40 = 10,411,211.20 : x
  2. Step 2: Convert to fraction form
    12,395,257.60/18,592,886.40 = 10,411,211.20/x
  3. Step 3: Cross multiply
    12,395,257.60x = 18,592,886.40 × 10,411,211.20
  4. Step 4: Simplify right side
    12,395,257.60x = 193,574,467,128,007.66
  5. Step 5: Solve for x
    x = 193,574,467,128,007.66/12,395,257.60
  6. Step 6: Final answer
    x = 15,616,816.80

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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.