Home / 8,210,004.10-12,315,006.15-3,958,476.10

Finding the Fourth Proportional to 8,210,004.10, 12,315,006.15 and 3,958,476.10

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Solution

The fourth proportional to 8,210,004.10, 12,315,006.15 and 3,958,476.10 is: 5,937,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,004.10 : 12,315,006.15 = 3,958,476.10 : x
  2. Step 2: Convert to fraction form
    8,210,004.10/12,315,006.15 = 3,958,476.10/x
  3. Step 3: Cross multiply
    8,210,004.10x = 12,315,006.15 × 3,958,476.10
  4. Step 4: Simplify right side
    8,210,004.10x = 48,748,657,516,128.02
  5. Step 5: Solve for x
    x = 48,748,657,516,128.02/8,210,004.10
  6. Step 6: Final answer
    x = 5,937,714.15

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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.