Home / 8,271,621.45-11,411,706.47-5,130,432.14

Finding the Fourth Proportional to 8,271,621.45, 11,411,706.47 and 5,130,432.14

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Solution

The fourth proportional to 8,271,621.45, 11,411,706.47 and 5,130,432.14 is: 7,078,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,621.45 : 11,411,706.47 = 5,130,432.14 : x
  2. Step 2: Convert to fraction form
    8,271,621.45/11,411,706.47 = 5,130,432.14/x
  3. Step 3: Cross multiply
    8,271,621.45x = 11,411,706.47 × 5,130,432.14
  4. Step 4: Simplify right side
    8,271,621.45x = 58,546,985,563,223.25
  5. Step 5: Solve for x
    x = 58,546,985,563,223.25/8,271,621.45
  6. Step 6: Final answer
    x = 7,078,054.27

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1.5x scale

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.