Home / 28,675,201.60-43,012,802.40-12,749,953.60

Finding the Fourth Proportional to 28,675,201.60, 43,012,802.40 and 12,749,953.60

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Solution

The fourth proportional to 28,675,201.60, 43,012,802.40 and 12,749,953.60 is: 19,124,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675,201.60 : 43,012,802.40 = 12,749,953.60 : x
  2. Step 2: Convert to fraction form
    28,675,201.60/43,012,802.40 = 12,749,953.60/x
  3. Step 3: Cross multiply
    28,675,201.60x = 43,012,802.40 × 12,749,953.60
  4. Step 4: Simplify right side
    28,675,201.60x = 548,411,234,805,968.62
  5. Step 5: Solve for x
    x = 548,411,234,805,968.62/28,675,201.60
  6. Step 6: Final answer
    x = 19,124,930.40

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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.