Home / 28,353,394-39,127,880.55-16,130,251

Finding the Fourth Proportional to 28,353,394, 39,127,880.55 and 16,130,251

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Solution

The fourth proportional to 28,353,394, 39,127,880.55 and 16,130,251 is: 22,259,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353,394 : 39,127,880.55 = 16,130,251 : x
  2. Step 2: Convert to fraction form
    28,353,394/39,127,880.55 = 16,130,251/x
  3. Step 3: Cross multiply
    28,353,394x = 39,127,880.55 × 16,130,251
  4. Step 4: Simplify right side
    28,353,394x = 631,142,534,369,518
  5. Step 5: Solve for x
    x = 631,142,534,369,518/28,353,394
  6. Step 6: Final answer
    x = 22,259,858.36

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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.