Home / 15,607,991,054.48-21,539,043,596.01-8,471,406,337.88

Finding the Fourth Proportional to 15,607,991,054.48, 21,539,043,596.01 and 8,471,406,337.88

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Solution

The fourth proportional to 15,607,991,054.48, 21,539,043,596.01 and 8,471,406,337.88 is: 11,690,549,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607,991,054.48 : 21,539,043,596.01 = 8,471,406,337.88 : x
  2. Step 2: Convert to fraction form
    15,607,991,054.48/21,539,043,596.01 = 8,471,406,337.88/x
  3. Step 3: Cross multiply
    15,607,991,054.48x = 21,539,043,596.01 × 8,471,406,337.88
  4. Step 4: Simplify right side
    15,607,991,054.48x = 182,465,990,431,058,853,888
  5. Step 5: Solve for x
    x = 182,465,990,431,058,853,888/15,607,991,054.48
  6. Step 6: Final answer
    x = 11,690,549,398.33

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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.