Home / 30,497,913.34-42,087,851.70-16,559,855.91

Finding the Fourth Proportional to 30,497,913.34, 42,087,851.70 and 16,559,855.91

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Solution

The fourth proportional to 30,497,913.34, 42,087,851.70 and 16,559,855.91 is: 22,852,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497,913.34 : 42,087,851.70 = 16,559,855.91 : x
  2. Step 2: Convert to fraction form
    30,497,913.34/42,087,851.70 = 16,559,855.91/x
  3. Step 3: Cross multiply
    30,497,913.34x = 42,087,851.70 × 16,559,855.91
  4. Step 4: Simplify right side
    30,497,913.34x = 696,968,759,420,210
  5. Step 5: Solve for x
    x = 696,968,759,420,210/30,497,913.34
  6. Step 6: Final answer
    x = 22,852,998.23

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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.