Home / 31,065,878.66-42,870,959.79-17,314,547.54

Finding the Fourth Proportional to 31,065,878.66, 42,870,959.79 and 17,314,547.54

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Solution

The fourth proportional to 31,065,878.66, 42,870,959.79 and 17,314,547.54 is: 23,894,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,878.66 : 42,870,959.79 = 17,314,547.54 : x
  2. Step 2: Convert to fraction form
    31,065,878.66/42,870,959.79 = 17,314,547.54/x
  3. Step 3: Cross multiply
    31,065,878.66x = 42,870,959.79 × 17,314,547.54
  4. Step 4: Simplify right side
    31,065,878.66x = 742,291,271,369,383.38
  5. Step 5: Solve for x
    x = 742,291,271,369,383.38/31,065,878.66
  6. Step 6: Final answer
    x = 23,894,101.93

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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.