Home / 13,312,002.80-19,968,004.20-5,339,548.40

Finding the Fourth Proportional to 13,312,002.80, 19,968,004.20 and 5,339,548.40

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Solution

The fourth proportional to 13,312,002.80, 19,968,004.20 and 5,339,548.40 is: 8,009,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,002.80 : 19,968,004.20 = 5,339,548.40 : x
  2. Step 2: Convert to fraction form
    13,312,002.80/19,968,004.20 = 5,339,548.40/x
  3. Step 3: Cross multiply
    13,312,002.80x = 19,968,004.20 × 5,339,548.40
  4. Step 4: Simplify right side
    13,312,002.80x = 106,620,124,877,303.28
  5. Step 5: Solve for x
    x = 106,620,124,877,303.28/13,312,002.80
  6. Step 6: Final answer
    x = 8,009,322.60

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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.