Home / 10,765,886.48-14,856,506.16-6,120,280.16

Finding the Fourth Proportional to 10,765,886.48, 14,856,506.16 and 6,120,280.16

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Solution

The fourth proportional to 10,765,886.48, 14,856,506.16 and 6,120,280.16 is: 8,445,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765,886.48 : 14,856,506.16 = 6,120,280.16 : x
  2. Step 2: Convert to fraction form
    10,765,886.48/14,856,506.16 = 6,120,280.16/x
  3. Step 3: Cross multiply
    10,765,886.48x = 14,856,506.16 × 6,120,280.16
  4. Step 4: Simplify right side
    10,765,886.48x = 90,925,979,897,965.78
  5. Step 5: Solve for x
    x = 90,925,979,897,965.78/10,765,886.48
  6. Step 6: Final answer
    x = 8,445,749.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.