Home / 11,463,930.81-15,806,970.18-9,139,005.63

Finding the Fourth Proportional to 11,463,930.81, 15,806,970.18 and 9,139,005.63

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Solution

The fourth proportional to 11,463,930.81, 15,806,970.18 and 9,139,005.63 is: 12,601,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463,930.81 : 15,806,970.18 = 9,139,005.63 : x
  2. Step 2: Convert to fraction form
    11,463,930.81/15,806,970.18 = 9,139,005.63/x
  3. Step 3: Cross multiply
    11,463,930.81x = 15,806,970.18 × 9,139,005.63
  4. Step 4: Simplify right side
    11,463,930.81x = 144,459,989,468,262.12
  5. Step 5: Solve for x
    x = 144,459,989,468,262.12/11,463,930.81
  6. Step 6: Final answer
    x = 12,601,261.46

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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.