Home / 9,779,918.40-14,658,067.80-4,985,139.60

Finding the Fourth Proportional to 9,779,918.40, 14,658,067.80 and 4,985,139.60

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Solution

The fourth proportional to 9,779,918.40, 14,658,067.80 and 4,985,139.60 is: 7,471,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779,918.40 : 14,658,067.80 = 4,985,139.60 : x
  2. Step 2: Convert to fraction form
    9,779,918.40/14,658,067.80 = 4,985,139.60/x
  3. Step 3: Cross multiply
    9,779,918.40x = 14,658,067.80 × 4,985,139.60
  4. Step 4: Simplify right side
    9,779,918.40x = 73,072,514,249,264.88
  5. Step 5: Solve for x
    x = 73,072,514,249,264.88/9,779,918.40
  6. Step 6: Final answer
    x = 7,471,689.56

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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.