Home / 7,020,547.47-9,687,666.56-3,964,171.23

Finding the Fourth Proportional to 7,020,547.47, 9,687,666.56 and 3,964,171.23

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Solution

The fourth proportional to 7,020,547.47, 9,687,666.56 and 3,964,171.23 is: 5,470,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,547.47 : 9,687,666.56 = 3,964,171.23 : x
  2. Step 2: Convert to fraction form
    7,020,547.47/9,687,666.56 = 3,964,171.23/x
  3. Step 3: Cross multiply
    7,020,547.47x = 9,687,666.56 × 3,964,171.23
  4. Step 4: Simplify right side
    7,020,547.47x = 38,403,569,043,164.21
  5. Step 5: Solve for x
    x = 38,403,569,043,164.21/7,020,547.47
  6. Step 6: Final answer
    x = 5,470,167.28

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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.