Home / 13,154,901.71-18,153,837.18-7,353,927.95

Finding the Fourth Proportional to 13,154,901.71, 18,153,837.18 and 7,353,927.95

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Solution

The fourth proportional to 13,154,901.71, 18,153,837.18 and 7,353,927.95 is: 10,148,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154,901.71 : 18,153,837.18 = 7,353,927.95 : x
  2. Step 2: Convert to fraction form
    13,154,901.71/18,153,837.18 = 7,353,927.95/x
  3. Step 3: Cross multiply
    13,154,901.71x = 18,153,837.18 × 7,353,927.95
  4. Step 4: Simplify right side
    13,154,901.71x = 133,502,010,546,982
  5. Step 5: Solve for x
    x = 133,502,010,546,982/13,154,901.71
  6. Step 6: Final answer
    x = 10,148,461.28

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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.