Home / 21,845,421.80-32,776,005.90-9,075,091.40

Finding the Fourth Proportional to 21,845,421.80, 32,776,005.90 and 9,075,091.40

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Solution

The fourth proportional to 21,845,421.80, 32,776,005.90 and 9,075,091.40 is: 13,615,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,421.80 : 32,776,005.90 = 9,075,091.40 : x
  2. Step 2: Convert to fraction form
    21,845,421.80/32,776,005.90 = 9,075,091.40/x
  3. Step 3: Cross multiply
    21,845,421.80x = 32,776,005.90 × 9,075,091.40
  4. Step 4: Simplify right side
    21,845,421.80x = 297,445,249,269,439.25
  5. Step 5: Solve for x
    x = 297,445,249,269,439.25/21,845,421.80
  6. Step 6: Final answer
    x = 13,615,907.81

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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.