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Finding the Fourth Proportional to 9,798,880.80, 14,697,370.80 and 2,975,513.07

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Solution

The fourth proportional to 9,798,880.80, 14,697,370.80 and 2,975,513.07 is: 4,462,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798,880.80 : 14,697,370.80 = 2,975,513.07 : x
  2. Step 2: Convert to fraction form
    9,798,880.80/14,697,370.80 = 2,975,513.07/x
  3. Step 3: Cross multiply
    9,798,880.80x = 14,697,370.80 × 2,975,513.07
  4. Step 4: Simplify right side
    9,798,880.80x = 43,732,218,910,036.36
  5. Step 5: Solve for x
    x = 43,732,218,910,036.36/9,798,880.80
  6. Step 6: Final answer
    x = 4,462,981.01

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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.