Home / 12,075,782.28-16,688,489.58-9,896,888.76

Finding the Fourth Proportional to 12,075,782.28, 16,688,489.58 and 9,896,888.76

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Solution

The fourth proportional to 12,075,782.28, 16,688,489.58 and 9,896,888.76 is: 13,677,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,782.28 : 16,688,489.58 = 9,896,888.76 : x
  2. Step 2: Convert to fraction form
    12,075,782.28/16,688,489.58 = 9,896,888.76/x
  3. Step 3: Cross multiply
    12,075,782.28x = 16,688,489.58 × 9,896,888.76
  4. Step 4: Simplify right side
    12,075,782.28x = 165,164,124,945,679.12
  5. Step 5: Solve for x
    x = 165,164,124,945,679.12/12,075,782.28
  6. Step 6: Final answer
    x = 13,677,302.32

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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.