Home / 8,111,547.36-11,182,009.50-6,174,433.98

Finding the Fourth Proportional to 8,111,547.36, 11,182,009.50 and 6,174,433.98

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Solution

The fourth proportional to 8,111,547.36, 11,182,009.50 and 6,174,433.98 is: 8,511,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111,547.36 : 11,182,009.50 = 6,174,433.98 : x
  2. Step 2: Convert to fraction form
    8,111,547.36/11,182,009.50 = 6,174,433.98/x
  3. Step 3: Cross multiply
    8,111,547.36x = 11,182,009.50 × 6,174,433.98
  4. Step 4: Simplify right side
    8,111,547.36x = 69,042,579,421,482.81
  5. Step 5: Solve for x
    x = 69,042,579,421,482.81/8,111,547.36
  6. Step 6: Final answer
    x = 8,511,641.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.