Home / 21,561,026.60-32,341,539.90-10,779,991.40

Finding the Fourth Proportional to 21,561,026.60, 32,341,539.90 and 10,779,991.40

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Solution

The fourth proportional to 21,561,026.60, 32,341,539.90 and 10,779,991.40 is: 16,169,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,026.60 : 32,341,539.90 = 10,779,991.40 : x
  2. Step 2: Convert to fraction form
    21,561,026.60/32,341,539.90 = 10,779,991.40/x
  3. Step 3: Cross multiply
    21,561,026.60x = 32,341,539.90 × 10,779,991.40
  4. Step 4: Simplify right side
    21,561,026.60x = 348,641,521,984,756.88
  5. Step 5: Solve for x
    x = 348,641,521,984,756.88/21,561,026.60
  6. Step 6: Final answer
    x = 16,169,987.10

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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.