Home / 21,853,597.77-30,158,009.70-12,064,055.43

Finding the Fourth Proportional to 21,853,597.77, 30,158,009.70 and 12,064,055.43

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Solution

The fourth proportional to 21,853,597.77, 30,158,009.70 and 12,064,055.43 is: 16,648,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,597.77 : 30,158,009.70 = 12,064,055.43 : x
  2. Step 2: Convert to fraction form
    21,853,597.77/30,158,009.70 = 12,064,055.43/x
  3. Step 3: Cross multiply
    21,853,597.77x = 30,158,009.70 × 12,064,055.43
  4. Step 4: Simplify right side
    21,853,597.77x = 363,827,900,679,277.62
  5. Step 5: Solve for x
    x = 363,827,900,679,277.62/21,853,597.77
  6. Step 6: Final answer
    x = 16,648,421.21

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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.