Home / 8,058,705.60-12,088,058.40-7,176,907.20

Finding the Fourth Proportional to 8,058,705.60, 12,088,058.40 and 7,176,907.20

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Solution

The fourth proportional to 8,058,705.60, 12,088,058.40 and 7,176,907.20 is: 10,765,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058,705.60 : 12,088,058.40 = 7,176,907.20 : x
  2. Step 2: Convert to fraction form
    8,058,705.60/12,088,058.40 = 7,176,907.20/x
  3. Step 3: Cross multiply
    8,058,705.60x = 12,088,058.40 × 7,176,907.20
  4. Step 4: Simplify right side
    8,058,705.60x = 86,754,873,364,980.48
  5. Step 5: Solve for x
    x = 86,754,873,364,980.48/8,058,705.60
  6. Step 6: Final answer
    x = 10,765,360.80

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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.