Home / 30,885,368.80-42,604,100.80-19,262,754.14

Finding the Fourth Proportional to 30,885,368.80, 42,604,100.80 and 19,262,754.14

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Solution

The fourth proportional to 30,885,368.80, 42,604,100.80 and 19,262,754.14 is: 26,571,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,368.80 : 42,604,100.80 = 19,262,754.14 : x
  2. Step 2: Convert to fraction form
    30,885,368.80/42,604,100.80 = 19,262,754.14/x
  3. Step 3: Cross multiply
    30,885,368.80x = 42,604,100.80 × 19,262,754.14
  4. Step 4: Simplify right side
    30,885,368.80x = 820,672,319,066,177.25
  5. Step 5: Solve for x
    x = 820,672,319,066,177.25/30,885,368.80
  6. Step 6: Final answer
    x = 26,571,556.40

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1.5x scale

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.