Home / 14,771,678.59-20,388,317.79-8,662,075.39

Finding the Fourth Proportional to 14,771,678.59, 20,388,317.79 and 8,662,075.39

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Solution

The fourth proportional to 14,771,678.59, 20,388,317.79 and 8,662,075.39 is: 11,955,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,678.59 : 20,388,317.79 = 8,662,075.39 : x
  2. Step 2: Convert to fraction form
    14,771,678.59/20,388,317.79 = 8,662,075.39/x
  3. Step 3: Cross multiply
    14,771,678.59x = 20,388,317.79 × 8,662,075.39
  4. Step 4: Simplify right side
    14,771,678.59x = 176,605,145,772,258.19
  5. Step 5: Solve for x
    x = 176,605,145,772,258.19/14,771,678.59
  6. Step 6: Final answer
    x = 11,955,658.57

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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.