Home / 30,680,732.33-42,340,309.03-16,742,985.55

Finding the Fourth Proportional to 30,680,732.33, 42,340,309.03 and 16,742,985.55

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Solution

The fourth proportional to 30,680,732.33, 42,340,309.03 and 16,742,985.55 is: 23,105,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,732.33 : 42,340,309.03 = 16,742,985.55 : x
  2. Step 2: Convert to fraction form
    30,680,732.33/42,340,309.03 = 16,742,985.55/x
  3. Step 3: Cross multiply
    30,680,732.33x = 42,340,309.03 × 16,742,985.55
  4. Step 4: Simplify right side
    30,680,732.33x = 708,903,182,271,824.62
  5. Step 5: Solve for x
    x = 708,903,182,271,824.62/30,680,732.33
  6. Step 6: Final answer
    x = 23,105,810.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.