Home / 18,698,364.90-28,071,166.95-10,069,337.70

Finding the Fourth Proportional to 18,698,364.90, 28,071,166.95 and 10,069,337.70

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Solution

The fourth proportional to 18,698,364.90, 28,071,166.95 and 10,069,337.70 is: 15,116,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698,364.90 : 28,071,166.95 = 10,069,337.70 : x
  2. Step 2: Convert to fraction form
    18,698,364.90/28,071,166.95 = 10,069,337.70/x
  3. Step 3: Cross multiply
    18,698,364.90x = 28,071,166.95 × 10,069,337.70
  4. Step 4: Simplify right side
    18,698,364.90x = 282,658,059,652,629
  5. Step 5: Solve for x
    x = 282,658,059,652,629/18,698,364.90
  6. Step 6: Final answer
    x = 15,116,726.04

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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.