Home / 13,120,809.40-19,666,779.90-4,596,758.20

Finding the Fourth Proportional to 13,120,809.40, 19,666,779.90 and 4,596,758.20

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Solution

The fourth proportional to 13,120,809.40, 19,666,779.90 and 4,596,758.20 is: 6,890,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,809.40 : 19,666,779.90 = 4,596,758.20 : x
  2. Step 2: Convert to fraction form
    13,120,809.40/19,666,779.90 = 4,596,758.20/x
  3. Step 3: Cross multiply
    13,120,809.40x = 19,666,779.90 × 4,596,758.20
  4. Step 4: Simplify right side
    13,120,809.40x = 90,403,431,772,920.17
  5. Step 5: Solve for x
    x = 90,403,431,772,920.17/13,120,809.40
  6. Step 6: Final answer
    x = 6,890,080.41

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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.