Home / 8,909,908.80-13,349,116.80-8,343,038.40

Finding the Fourth Proportional to 8,909,908.80, 13,349,116.80 and 8,343,038.40

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Solution

The fourth proportional to 8,909,908.80, 13,349,116.80 and 8,343,038.40 is: 12,499,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,908.80 : 13,349,116.80 = 8,343,038.40 : x
  2. Step 2: Convert to fraction form
    8,909,908.80/13,349,116.80 = 8,343,038.40/x
  3. Step 3: Cross multiply
    8,909,908.80x = 13,349,116.80 × 8,343,038.40
  4. Step 4: Simplify right side
    8,909,908.80x = 111,372,194,068,485.12
  5. Step 5: Solve for x
    x = 111,372,194,068,485.12/8,909,908.80
  6. Step 6: Final answer
    x = 12,499,813.02

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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.