Home / 38,018,673.60-57,028,010.40-12,453,518.40

Finding the Fourth Proportional to 38,018,673.60, 57,028,010.40 and 12,453,518.40

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Solution

The fourth proportional to 38,018,673.60, 57,028,010.40 and 12,453,518.40 is: 18,680,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018,673.60 : 57,028,010.40 = 12,453,518.40 : x
  2. Step 2: Convert to fraction form
    38,018,673.60/57,028,010.40 = 12,453,518.40/x
  3. Step 3: Cross multiply
    38,018,673.60x = 57,028,010.40 × 12,453,518.40
  4. Step 4: Simplify right side
    38,018,673.60x = 710,199,376,831,791.38
  5. Step 5: Solve for x
    x = 710,199,376,831,791.38/38,018,673.60
  6. Step 6: Final answer
    x = 18,680,277.60

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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.