Home / 20,886,941.17-31,323,316.47-7,236,901.63

Finding the Fourth Proportional to 20,886,941.17, 31,323,316.47 and 7,236,901.63

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Solution

The fourth proportional to 20,886,941.17, 31,323,316.47 and 7,236,901.63 is: 10,852,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,941.17 : 31,323,316.47 = 7,236,901.63 : x
  2. Step 2: Convert to fraction form
    20,886,941.17/31,323,316.47 = 7,236,901.63/x
  3. Step 3: Cross multiply
    20,886,941.17x = 31,323,316.47 × 7,236,901.63
  4. Step 4: Simplify right side
    20,886,941.17x = 226,683,760,018,748.84
  5. Step 5: Solve for x
    x = 226,683,760,018,748.84/20,886,941.17
  6. Step 6: Final answer
    x = 10,852,894.07

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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.