Home / 20,430,060.71-30,645,657.86-5,076,730.22

Finding the Fourth Proportional to 20,430,060.71, 30,645,657.86 and 5,076,730.22

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Solution

The fourth proportional to 20,430,060.71, 30,645,657.86 and 5,076,730.22 is: 7,615,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,430,060.71 : 30,645,657.86 = 5,076,730.22 : x
  2. Step 2: Convert to fraction form
    20,430,060.71/30,645,657.86 = 5,076,730.22/x
  3. Step 3: Cross multiply
    20,430,060.71x = 30,645,657.86 × 5,076,730.22
  4. Step 4: Simplify right side
    20,430,060.71x = 155,579,737,191,030.59
  5. Step 5: Solve for x
    x = 155,579,737,191,030.59/20,430,060.71
  6. Step 6: Final answer
    x = 7,615,236.17

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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.