Home / 8,210,669.60-12,316,004.40-8,070,701.60

Finding the Fourth Proportional to 8,210,669.60, 12,316,004.40 and 8,070,701.60

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Solution

The fourth proportional to 8,210,669.60, 12,316,004.40 and 8,070,701.60 is: 12,106,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,669.60 : 12,316,004.40 = 8,070,701.60 : x
  2. Step 2: Convert to fraction form
    8,210,669.60/12,316,004.40 = 8,070,701.60/x
  3. Step 3: Cross multiply
    8,210,669.60x = 12,316,004.40 × 8,070,701.60
  4. Step 4: Simplify right side
    8,210,669.60x = 99,398,796,416,687.03
  5. Step 5: Solve for x
    x = 99,398,796,416,687.03/8,210,669.60
  6. Step 6: Final answer
    x = 12,106,052.40

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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.