Home / 13,636,612.96-18,818,925.56-7,442,057.95

Finding the Fourth Proportional to 13,636,612.96, 18,818,925.56 and 7,442,057.95

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Solution

The fourth proportional to 13,636,612.96, 18,818,925.56 and 7,442,057.95 is: 10,270,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,612.96 : 18,818,925.56 = 7,442,057.95 : x
  2. Step 2: Convert to fraction form
    13,636,612.96/18,818,925.56 = 7,442,057.95/x
  3. Step 3: Cross multiply
    13,636,612.96x = 18,818,925.56 × 7,442,057.95
  4. Step 4: Simplify right side
    13,636,612.96x = 140,051,534,574,256.20
  5. Step 5: Solve for x
    x = 140,051,534,574,256.20/13,636,612.96
  6. Step 6: Final answer
    x = 10,270,258.09

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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.