Home / 20,587,470.71-30,881,427.80-6,210,663.05

Finding the Fourth Proportional to 20,587,470.71, 30,881,427.80 and 6,210,663.05

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Solution

The fourth proportional to 20,587,470.71, 30,881,427.80 and 6,210,663.05 is: 9,316,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587,470.71 : 30,881,427.80 = 6,210,663.05 : x
  2. Step 2: Convert to fraction form
    20,587,470.71/30,881,427.80 = 6,210,663.05/x
  3. Step 3: Cross multiply
    20,587,470.71x = 30,881,427.80 × 6,210,663.05
  4. Step 4: Simplify right side
    20,587,470.71x = 191,794,142,614,853.06
  5. Step 5: Solve for x
    x = 191,794,142,614,853.06/20,587,470.71
  6. Step 6: Final answer
    x = 9,316,061.47

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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.