Home / 42,808,810.91-64,213,340.93-18,210,399.93

Finding the Fourth Proportional to 42,808,810.91, 64,213,340.93 and 18,210,399.93

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Solution

The fourth proportional to 42,808,810.91, 64,213,340.93 and 18,210,399.93 is: 27,315,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,808,810.91 : 64,213,340.93 = 18,210,399.93 : x
  2. Step 2: Convert to fraction form
    42,808,810.91/64,213,340.93 = 18,210,399.93/x
  3. Step 3: Cross multiply
    42,808,810.91x = 64,213,340.93 × 18,210,399.93
  4. Step 4: Simplify right side
    42,808,810.91x = 1,169,350,619,176,738
  5. Step 5: Solve for x
    x = 1,169,350,619,176,738/42,808,810.91
  6. Step 6: Final answer
    x = 27,315,652.88

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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.