Home / 12,803,715.10-19,205,572.65-8,026,140.70

Finding the Fourth Proportional to 12,803,715.10, 19,205,572.65 and 8,026,140.70

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Solution

The fourth proportional to 12,803,715.10, 19,205,572.65 and 8,026,140.70 is: 12,039,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803,715.10 : 19,205,572.65 = 8,026,140.70 : x
  2. Step 2: Convert to fraction form
    12,803,715.10/19,205,572.65 = 8,026,140.70/x
  3. Step 3: Cross multiply
    12,803,715.10x = 19,205,572.65 × 8,026,140.70
  4. Step 4: Simplify right side
    12,803,715.10x = 154,146,628,312,971.84
  5. Step 5: Solve for x
    x = 154,146,628,312,971.84/12,803,715.10
  6. Step 6: Final answer
    x = 12,039,211.05

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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.