Home / 28,186,516-38,896,730.51-16,584,830.92

Finding the Fourth Proportional to 28,186,516, 38,896,730.51 and 16,584,830.92

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Solution

The fourth proportional to 28,186,516, 38,896,730.51 and 16,584,830.92 is: 22,886,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,516 : 38,896,730.51 = 16,584,830.92 : x
  2. Step 2: Convert to fraction form
    28,186,516/38,896,730.51 = 16,584,830.92/x
  3. Step 3: Cross multiply
    28,186,516x = 38,896,730.51 × 16,584,830.92
  4. Step 4: Simplify right side
    28,186,516x = 645,095,698,849,155.38
  5. Step 5: Solve for x
    x = 645,095,698,849,155.38/28,186,516
  6. Step 6: Final answer
    x = 22,886,677.40

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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.