Home / 21,860,460.45-32,790,690.68-19,341,036.45

Finding the Fourth Proportional to 21,860,460.45, 32,790,690.68 and 19,341,036.45

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Solution

The fourth proportional to 21,860,460.45, 32,790,690.68 and 19,341,036.45 is: 29,011,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,460.45 : 32,790,690.68 = 19,341,036.45 : x
  2. Step 2: Convert to fraction form
    21,860,460.45/32,790,690.68 = 19,341,036.45/x
  3. Step 3: Cross multiply
    21,860,460.45x = 32,790,690.68 × 19,341,036.45
  4. Step 4: Simplify right side
    21,860,460.45x = 634,205,943,565,850.12
  5. Step 5: Solve for x
    x = 634,205,943,565,850.12/21,860,460.45
  6. Step 6: Final answer
    x = 29,011,554.68

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1.5x scale

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.