Home / 30,886,386.60-46,329,579.90-8,169,580.20

Finding the Fourth Proportional to 30,886,386.60, 46,329,579.90 and 8,169,580.20

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Solution

The fourth proportional to 30,886,386.60, 46,329,579.90 and 8,169,580.20 is: 12,254,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886,386.60 : 46,329,579.90 = 8,169,580.20 : x
  2. Step 2: Convert to fraction form
    30,886,386.60/46,329,579.90 = 8,169,580.20/x
  3. Step 3: Cross multiply
    30,886,386.60x = 46,329,579.90 × 8,169,580.20
  4. Step 4: Simplify right side
    30,886,386.60x = 378,493,218,625,358
  5. Step 5: Solve for x
    x = 378,493,218,625,358/30,886,386.60
  6. Step 6: Final answer
    x = 12,254,370.30

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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.