Home / 19,014,647.40-28,521,971.10-8,779,487.40

Finding the Fourth Proportional to 19,014,647.40, 28,521,971.10 and 8,779,487.40

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Solution

The fourth proportional to 19,014,647.40, 28,521,971.10 and 8,779,487.40 is: 13,169,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014,647.40 : 28,521,971.10 = 8,779,487.40 : x
  2. Step 2: Convert to fraction form
    19,014,647.40/28,521,971.10 = 8,779,487.40/x
  3. Step 3: Cross multiply
    19,014,647.40x = 28,521,971.10 × 8,779,487.40
  4. Step 4: Simplify right side
    19,014,647.40x = 250,408,285,895,614.16
  5. Step 5: Solve for x
    x = 250,408,285,895,614.16/19,014,647.40
  6. Step 6: Final answer
    x = 13,169,231.10

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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.