Home / 18,730,567.71-28,095,210.02-7,940,920.59

Finding the Fourth Proportional to 18,730,567.71, 28,095,210.02 and 7,940,920.59

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Solution

The fourth proportional to 18,730,567.71, 28,095,210.02 and 7,940,920.59 is: 11,911,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730,567.71 : 28,095,210.02 = 7,940,920.59 : x
  2. Step 2: Convert to fraction form
    18,730,567.71/28,095,210.02 = 7,940,920.59/x
  3. Step 3: Cross multiply
    18,730,567.71x = 28,095,210.02 × 7,940,920.59
  4. Step 4: Simplify right side
    18,730,567.71x = 223,101,831,688,487.72
  5. Step 5: Solve for x
    x = 223,101,831,688,487.72/18,730,567.71
  6. Step 6: Final answer
    x = 11,911,108.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.