Home / 13,578,036.40-20,367,054.60-11,824,281.10

Finding the Fourth Proportional to 13,578,036.40, 20,367,054.60 and 11,824,281.10

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Solution

The fourth proportional to 13,578,036.40, 20,367,054.60 and 11,824,281.10 is: 17,736,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,036.40 : 20,367,054.60 = 11,824,281.10 : x
  2. Step 2: Convert to fraction form
    13,578,036.40/20,367,054.60 = 11,824,281.10/x
  3. Step 3: Cross multiply
    13,578,036.40x = 20,367,054.60 × 11,824,281.10
  4. Step 4: Simplify right side
    13,578,036.40x = 240,825,778,769,448.06
  5. Step 5: Solve for x
    x = 240,825,778,769,448.06/13,578,036.40
  6. Step 6: Final answer
    x = 17,736,421.65

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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.