Home / 8,020,201.40-12,030,302.10-7,736,766.20

Finding the Fourth Proportional to 8,020,201.40, 12,030,302.10 and 7,736,766.20

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Solution

The fourth proportional to 8,020,201.40, 12,030,302.10 and 7,736,766.20 is: 11,605,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,201.40 : 12,030,302.10 = 7,736,766.20 : x
  2. Step 2: Convert to fraction form
    8,020,201.40/12,030,302.10 = 7,736,766.20/x
  3. Step 3: Cross multiply
    8,020,201.40x = 12,030,302.10 × 7,736,766.20
  4. Step 4: Simplify right side
    8,020,201.40x = 93,075,634,663,069.02
  5. Step 5: Solve for x
    x = 93,075,634,663,069.02/8,020,201.40
  6. Step 6: Final answer
    x = 11,605,149.30

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1.5x scale

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.