Home / 8,761,814.40-13,142,721.60-6,210,897.60

Finding the Fourth Proportional to 8,761,814.40, 13,142,721.60 and 6,210,897.60

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Solution

The fourth proportional to 8,761,814.40, 13,142,721.60 and 6,210,897.60 is: 9,316,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,814.40 : 13,142,721.60 = 6,210,897.60 : x
  2. Step 2: Convert to fraction form
    8,761,814.40/13,142,721.60 = 6,210,897.60/x
  3. Step 3: Cross multiply
    8,761,814.40x = 13,142,721.60 × 6,210,897.60
  4. Step 4: Simplify right side
    8,761,814.40x = 81,628,098,042,908.16
  5. Step 5: Solve for x
    x = 81,628,098,042,908.16/8,761,814.40
  6. Step 6: Final answer
    x = 9,316,346.40

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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.