Home / 15,607,991,054.23-21,539,043,595.67-8,471,406,337.63

Finding the Fourth Proportional to 15,607,991,054.23, 21,539,043,595.67 and 8,471,406,337.63

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Solution

The fourth proportional to 15,607,991,054.23, 21,539,043,595.67 and 8,471,406,337.63 is: 11,690,549,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607,991,054.23 : 21,539,043,595.67 = 8,471,406,337.63 : x
  2. Step 2: Convert to fraction form
    15,607,991,054.23/21,539,043,595.67 = 8,471,406,337.63/x
  3. Step 3: Cross multiply
    15,607,991,054.23x = 21,539,043,595.67 × 8,471,406,337.63
  4. Step 4: Simplify right side
    15,607,991,054.23x = 182,465,990,422,751,510,528
  5. Step 5: Solve for x
    x = 182,465,990,422,751,510,528/15,607,991,054.23
  6. Step 6: Final answer
    x = 11,690,549,397.98

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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.