Home / 8,352,050.40-12,528,075.60-5,146,783.20

Finding the Fourth Proportional to 8,352,050.40, 12,528,075.60 and 5,146,783.20

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Solution

The fourth proportional to 8,352,050.40, 12,528,075.60 and 5,146,783.20 is: 7,720,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,050.40 : 12,528,075.60 = 5,146,783.20 : x
  2. Step 2: Convert to fraction form
    8,352,050.40/12,528,075.60 = 5,146,783.20/x
  3. Step 3: Cross multiply
    8,352,050.40x = 12,528,075.60 × 5,146,783.20
  4. Step 4: Simplify right side
    8,352,050.40x = 64,479,289,026,409.92
  5. Step 5: Solve for x
    x = 64,479,289,026,409.92/8,352,050.40
  6. Step 6: Final answer
    x = 7,720,174.80

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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.