Home / 27,457,871.71-37,892,328.05-15,069,117.87

Finding the Fourth Proportional to 27,457,871.71, 37,892,328.05 and 15,069,117.87

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Solution

The fourth proportional to 27,457,871.71, 37,892,328.05 and 15,069,117.87 is: 20,795,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457,871.71 : 37,892,328.05 = 15,069,117.87 : x
  2. Step 2: Convert to fraction form
    27,457,871.71/37,892,328.05 = 15,069,117.87/x
  3. Step 3: Cross multiply
    27,457,871.71x = 37,892,328.05 × 15,069,117.87
  4. Step 4: Simplify right side
    27,457,871.71x = 571,003,957,754,157.12
  5. Step 5: Solve for x
    x = 571,003,957,754,157.12/27,457,871.71
  6. Step 6: Final answer
    x = 20,795,637.91

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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.