Home / 13,215,222,057.30-19,822,833,085.95-12,113,225,999.70

Finding the Fourth Proportional to 13,215,222,057.30, 19,822,833,085.95 and 12,113,225,999.70

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Solution

The fourth proportional to 13,215,222,057.30, 19,822,833,085.95 and 12,113,225,999.70 is: 18,169,838,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,222,057.30 : 19,822,833,085.95 = 12,113,225,999.70 : x
  2. Step 2: Convert to fraction form
    13,215,222,057.30/19,822,833,085.95 = 12,113,225,999.70/x
  3. Step 3: Cross multiply
    13,215,222,057.30x = 19,822,833,085.95 × 12,113,225,999.70
  4. Step 4: Simplify right side
    13,215,222,057.30x = 240,118,457,124,442,963,968
  5. Step 5: Solve for x
    x = 240,118,457,124,442,963,968/13,215,222,057.30
  6. Step 6: Final answer
    x = 18,169,838,999.55

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1.5x scale

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.