Home / 30,484,803.09-42,068,500.41-16,545,859.06

Finding the Fourth Proportional to 30,484,803.09, 42,068,500.41 and 16,545,859.06

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Solution

The fourth proportional to 30,484,803.09, 42,068,500.41 and 16,545,859.06 is: 22,832,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484,803.09 : 42,068,500.41 = 16,545,859.06 : x
  2. Step 2: Convert to fraction form
    30,484,803.09/42,068,500.41 = 16,545,859.06/x
  3. Step 3: Cross multiply
    30,484,803.09x = 42,068,500.41 × 16,545,859.06
  4. Step 4: Simplify right side
    30,484,803.09x = 696,059,478,649,412.12
  5. Step 5: Solve for x
    x = 696,059,478,649,412.12/30,484,803.09
  6. Step 6: Final answer
    x = 22,832,999.01

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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.