Home / 8,907,501.30-13,361,251.95-7,880,048.70

Finding the Fourth Proportional to 8,907,501.30, 13,361,251.95 and 7,880,048.70

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Solution

The fourth proportional to 8,907,501.30, 13,361,251.95 and 7,880,048.70 is: 11,820,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,501.30 : 13,361,251.95 = 7,880,048.70 : x
  2. Step 2: Convert to fraction form
    8,907,501.30/13,361,251.95 = 7,880,048.70/x
  3. Step 3: Cross multiply
    8,907,501.30x = 13,361,251.95 × 7,880,048.70
  4. Step 4: Simplify right side
    8,907,501.30x = 105,287,316,058,969.97
  5. Step 5: Solve for x
    x = 105,287,316,058,969.97/8,907,501.30
  6. Step 6: Final answer
    x = 11,820,073.05

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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.