Home / 13,288,036.40-19,932,054.60-3,190,657.40

Finding the Fourth Proportional to 13,288,036.40, 19,932,054.60 and 3,190,657.40

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Solution

The fourth proportional to 13,288,036.40, 19,932,054.60 and 3,190,657.40 is: 4,785,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,036.40 : 19,932,054.60 = 3,190,657.40 : x
  2. Step 2: Convert to fraction form
    13,288,036.40/19,932,054.60 = 3,190,657.40/x
  3. Step 3: Cross multiply
    13,288,036.40x = 19,932,054.60 × 3,190,657.40
  4. Step 4: Simplify right side
    13,288,036.40x = 63,596,357,506,694.04
  5. Step 5: Solve for x
    x = 63,596,357,506,694.04/13,288,036.40
  6. Step 6: Final answer
    x = 4,785,986.10

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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.