Home / 12,518,368.86-18,754,852.58-12,245,963.83

Finding the Fourth Proportional to 12,518,368.86, 18,754,852.58 and 12,245,963.83

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Solution

The fourth proportional to 12,518,368.86, 18,754,852.58 and 12,245,963.83 is: 18,346,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518,368.86 : 18,754,852.58 = 12,245,963.83 : x
  2. Step 2: Convert to fraction form
    12,518,368.86/18,754,852.58 = 12,245,963.83/x
  3. Step 3: Cross multiply
    12,518,368.86x = 18,754,852.58 × 12,245,963.83
  4. Step 4: Simplify right side
    12,518,368.86x = 229,671,246,301,047.28
  5. Step 5: Solve for x
    x = 229,671,246,301,047.28/12,518,368.86
  6. Step 6: Final answer
    x = 18,346,739.01

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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.