Home / 25,249,640.40-34,845,188.04-15,459,898.32

Finding the Fourth Proportional to 25,249,640.40, 34,845,188.04 and 15,459,898.32

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Solution

The fourth proportional to 25,249,640.40, 34,845,188.04 and 15,459,898.32 is: 21,335,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249,640.40 : 34,845,188.04 = 15,459,898.32 : x
  2. Step 2: Convert to fraction form
    25,249,640.40/34,845,188.04 = 15,459,898.32/x
  3. Step 3: Cross multiply
    25,249,640.40x = 34,845,188.04 × 15,459,898.32
  4. Step 4: Simplify right side
    25,249,640.40x = 538,703,064,039,680.06
  5. Step 5: Solve for x
    x = 538,703,064,039,680.06/25,249,640.40
  6. Step 6: Final answer
    x = 21,335,078.66

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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.