Home / 13,146,784.74-19,809,913.52-10,803,129.93

Finding the Fourth Proportional to 13,146,784.74, 19,809,913.52 and 10,803,129.93

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Solution

The fourth proportional to 13,146,784.74, 19,809,913.52 and 10,803,129.93 is: 16,278,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,784.74 : 19,809,913.52 = 10,803,129.93 : x
  2. Step 2: Convert to fraction form
    13,146,784.74/19,809,913.52 = 10,803,129.93/x
  3. Step 3: Cross multiply
    13,146,784.74x = 19,809,913.52 × 10,803,129.93
  4. Step 4: Simplify right side
    13,146,784.74x = 214,009,069,604,608
  5. Step 5: Solve for x
    x = 214,009,069,604,608/13,146,784.74
  6. Step 6: Final answer
    x = 16,278,434.14

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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.