Home / 13,290,007.80-19,935,011.70-13,164,036.60

Finding the Fourth Proportional to 13,290,007.80, 19,935,011.70 and 13,164,036.60

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Solution

The fourth proportional to 13,290,007.80, 19,935,011.70 and 13,164,036.60 is: 19,746,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,007.80 : 19,935,011.70 = 13,164,036.60 : x
  2. Step 2: Convert to fraction form
    13,290,007.80/19,935,011.70 = 13,164,036.60/x
  3. Step 3: Cross multiply
    13,290,007.80x = 19,935,011.70 × 13,164,036.60
  4. Step 4: Simplify right side
    13,290,007.80x = 262,425,223,640,228.19
  5. Step 5: Solve for x
    x = 262,425,223,640,228.19/13,290,007.80
  6. Step 6: Final answer
    x = 19,746,054.90

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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.