Home / 30,885,332.61-42,604,050.87-19,262,717.94

Finding the Fourth Proportional to 30,885,332.61, 42,604,050.87 and 19,262,717.94

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Solution

The fourth proportional to 30,885,332.61, 42,604,050.87 and 19,262,717.94 is: 26,571,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,332.61 : 42,604,050.87 = 19,262,717.94 : x
  2. Step 2: Convert to fraction form
    30,885,332.61/42,604,050.87 = 19,262,717.94/x
  3. Step 3: Cross multiply
    30,885,332.61x = 42,604,050.87 × 19,262,717.94
  4. Step 4: Simplify right side
    30,885,332.61x = 820,669,815,010,221.62
  5. Step 5: Solve for x
    x = 820,669,815,010,221.62/30,885,332.61
  6. Step 6: Final answer
    x = 26,571,506.46

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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.