Home / 21,425,875.80-32,139,075.06-6,280,113.48

Finding the Fourth Proportional to 21,425,875.80, 32,139,075.06 and 6,280,113.48

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Solution

The fourth proportional to 21,425,875.80, 32,139,075.06 and 6,280,113.48 is: 9,420,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,875.80 : 32,139,075.06 = 6,280,113.48 : x
  2. Step 2: Convert to fraction form
    21,425,875.80/32,139,075.06 = 6,280,113.48/x
  3. Step 3: Cross multiply
    21,425,875.80x = 32,139,075.06 × 6,280,113.48
  4. Step 4: Simplify right side
    21,425,875.80x = 201,837,038,519,037.81
  5. Step 5: Solve for x
    x = 201,837,038,519,037.81/21,425,875.80
  6. Step 6: Final answer
    x = 9,420,246.83

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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.