Home / 30,886,430.10-46,329,645.15-8,169,623.70

Finding the Fourth Proportional to 30,886,430.10, 46,329,645.15 and 8,169,623.70

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Solution

The fourth proportional to 30,886,430.10, 46,329,645.15 and 8,169,623.70 is: 12,254,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886,430.10 : 46,329,645.15 = 8,169,623.70 : x
  2. Step 2: Convert to fraction form
    30,886,430.10/46,329,645.15 = 8,169,623.70/x
  3. Step 3: Cross multiply
    30,886,430.10x = 46,329,645.15 × 8,169,623.70
  4. Step 4: Simplify right side
    30,886,430.10x = 378,495,767,030,030.06
  5. Step 5: Solve for x
    x = 378,495,767,030,030.06/30,886,430.10
  6. Step 6: Final answer
    x = 12,254,435.55

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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.