Home / 21,094,525.17-31,799,895.54-19,688,360.37

Finding the Fourth Proportional to 21,094,525.17, 31,799,895.54 and 19,688,360.37

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Solution

The fourth proportional to 21,094,525.17, 31,799,895.54 and 19,688,360.37 is: 29,680,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,525.17 : 31,799,895.54 = 19,688,360.37 : x
  2. Step 2: Convert to fraction form
    21,094,525.17/31,799,895.54 = 19,688,360.37/x
  3. Step 3: Cross multiply
    21,094,525.17x = 31,799,895.54 × 19,688,360.37
  4. Step 4: Simplify right side
    21,094,525.17x = 626,087,803,119,875.75
  5. Step 5: Solve for x
    x = 626,087,803,119,875.75/21,094,525.17
  6. Step 6: Final answer
    x = 29,680,108.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.