Home / 30,559,086.48-42,172,337.28-16,808,411.52

Finding the Fourth Proportional to 30,559,086.48, 42,172,337.28 and 16,808,411.52

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Solution

The fourth proportional to 30,559,086.48, 42,172,337.28 and 16,808,411.52 is: 23,196,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,086.48 : 42,172,337.28 = 16,808,411.52 : x
  2. Step 2: Convert to fraction form
    30,559,086.48/42,172,337.28 = 16,808,411.52/x
  3. Step 3: Cross multiply
    30,559,086.48x = 42,172,337.28 × 16,808,411.52
  4. Step 4: Simplify right side
    30,559,086.48x = 708,849,999,762,477.50
  5. Step 5: Solve for x
    x = 708,849,999,762,477.50/30,559,086.48
  6. Step 6: Final answer
    x = 23,196,046.79

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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.