Home / 21,712,848.58-32,570,320.29-7,139,445.42

Finding the Fourth Proportional to 21,712,848.58, 32,570,320.29 and 7,139,445.42

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Solution

The fourth proportional to 21,712,848.58, 32,570,320.29 and 7,139,445.42 is: 10,709,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,848.58 : 32,570,320.29 = 7,139,445.42 : x
  2. Step 2: Convert to fraction form
    21,712,848.58/32,570,320.29 = 7,139,445.42/x
  3. Step 3: Cross multiply
    21,712,848.58x = 32,570,320.29 × 7,139,445.42
  4. Step 4: Simplify right side
    21,712,848.58x = 232,534,024,117,739.34
  5. Step 5: Solve for x
    x = 232,534,024,117,739.34/21,712,848.58
  6. Step 6: Final answer
    x = 10,709,512.54

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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.