Home / 28,701,503.16-39,608,384.10-15,648,656.16

Finding the Fourth Proportional to 28,701,503.16, 39,608,384.10 and 15,648,656.16

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Solution

The fourth proportional to 28,701,503.16, 39,608,384.10 and 15,648,656.16 is: 21,595,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701,503.16 : 39,608,384.10 = 15,648,656.16 : x
  2. Step 2: Convert to fraction form
    28,701,503.16/39,608,384.10 = 15,648,656.16/x
  3. Step 3: Cross multiply
    28,701,503.16x = 39,608,384.10 × 15,648,656.16
  4. Step 4: Simplify right side
    28,701,503.16x = 619,817,983,834,111.12
  5. Step 5: Solve for x
    x = 619,817,983,834,111.12/28,701,503.16
  6. Step 6: Final answer
    x = 21,595,314.38

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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.