Home / 19,771,907.15-29,636,934.86-8,996,774.78

Finding the Fourth Proportional to 19,771,907.15, 29,636,934.86 and 8,996,774.78

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Solution

The fourth proportional to 19,771,907.15, 29,636,934.86 and 8,996,774.78 is: 13,485,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771,907.15 : 29,636,934.86 = 8,996,774.78 : x
  2. Step 2: Convert to fraction form
    19,771,907.15/29,636,934.86 = 8,996,774.78/x
  3. Step 3: Cross multiply
    19,771,907.15x = 29,636,934.86 × 8,996,774.78
  4. Step 4: Simplify right side
    19,771,907.15x = 266,636,827,911,782.31
  5. Step 5: Solve for x
    x = 266,636,827,911,782.31/19,771,907.15
  6. Step 6: Final answer
    x = 13,485,640.31

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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.