Home / 13,288,519.40-19,932,779.10-6,570,055.40

Finding the Fourth Proportional to 13,288,519.40, 19,932,779.10 and 6,570,055.40

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Solution

The fourth proportional to 13,288,519.40, 19,932,779.10 and 6,570,055.40 is: 9,855,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,519.40 : 19,932,779.10 = 6,570,055.40 : x
  2. Step 2: Convert to fraction form
    13,288,519.40/19,932,779.10 = 6,570,055.40/x
  3. Step 3: Cross multiply
    13,288,519.40x = 19,932,779.10 × 6,570,055.40
  4. Step 4: Simplify right side
    13,288,519.40x = 130,959,462,962,962.16
  5. Step 5: Solve for x
    x = 130,959,462,962,962.16/13,288,519.40
  6. Step 6: Final answer
    x = 9,855,083.10

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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.