Home / 48,938,883.20-73,408,065.60-12,547,203.20

Finding the Fourth Proportional to 48,938,883.20, 73,408,065.60 and 12,547,203.20

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Solution

The fourth proportional to 48,938,883.20, 73,408,065.60 and 12,547,203.20 is: 18,820,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938,883.20 : 73,408,065.60 = 12,547,203.20 : x
  2. Step 2: Convert to fraction form
    48,938,883.20/73,408,065.60 = 12,547,203.20/x
  3. Step 3: Cross multiply
    48,938,883.20x = 73,408,065.60 × 12,547,203.20
  4. Step 4: Simplify right side
    48,938,883.20x = 921,065,915,602,129.75
  5. Step 5: Solve for x
    x = 921,065,915,602,129.75/48,938,883.20
  6. Step 6: Final answer
    x = 18,820,738.34

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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.