Home / 30,477,810.87-42,059,407.65-17,425,343.80

Finding the Fourth Proportional to 30,477,810.87, 42,059,407.65 and 17,425,343.80

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Solution

The fourth proportional to 30,477,810.87, 42,059,407.65 and 17,425,343.80 is: 24,046,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477,810.87 : 42,059,407.65 = 17,425,343.80 : x
  2. Step 2: Convert to fraction form
    30,477,810.87/42,059,407.65 = 17,425,343.80/x
  3. Step 3: Cross multiply
    30,477,810.87x = 42,059,407.65 × 17,425,343.80
  4. Step 4: Simplify right side
    30,477,810.87x = 732,899,638,312,864.12
  5. Step 5: Solve for x
    x = 732,899,638,312,864.12/30,477,810.87
  6. Step 6: Final answer
    x = 24,046,990.82

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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.