Home / 30,610,248.03-42,242,142.51-16,859,212.16

Finding the Fourth Proportional to 30,610,248.03, 42,242,142.51 and 16,859,212.16

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Solution

The fourth proportional to 30,610,248.03, 42,242,142.51 and 16,859,212.16 is: 23,265,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,248.03 : 42,242,142.51 = 16,859,212.16 : x
  2. Step 2: Convert to fraction form
    30,610,248.03/42,242,142.51 = 16,859,212.16/x
  3. Step 3: Cross multiply
    30,610,248.03x = 42,242,142.51 × 16,859,212.16
  4. Step 4: Simplify right side
    30,610,248.03x = 712,169,242,457,834.25
  5. Step 5: Solve for x
    x = 712,169,242,457,834.25/30,610,248.03
  6. Step 6: Final answer
    x = 23,265,712.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.