Home / 10,938,687,051.88-15,087,059,503.68-9,415,367,849.26

Finding the Fourth Proportional to 10,938,687,051.88, 15,087,059,503.68 and 9,415,367,849.26

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Solution

The fourth proportional to 10,938,687,051.88, 15,087,059,503.68 and 9,415,367,849.26 is: 12,986,038,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938,687,051.88 : 15,087,059,503.68 = 9,415,367,849.26 : x
  2. Step 2: Convert to fraction form
    10,938,687,051.88/15,087,059,503.68 = 9,415,367,849.26/x
  3. Step 3: Cross multiply
    10,938,687,051.88x = 15,087,059,503.68 × 9,415,367,849.26
  4. Step 4: Simplify right side
    10,938,687,051.88x = 142,050,214,990,821,212,160
  5. Step 5: Solve for x
    x = 142,050,214,990,821,212,160/10,938,687,051.88
  6. Step 6: Final answer
    x = 12,986,038,846.99

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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.