Home / 31,355,877.76-47,033,794.68-9,792,327.40

Finding the Fourth Proportional to 31,355,877.76, 47,033,794.68 and 9,792,327.40

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Solution

The fourth proportional to 31,355,877.76, 47,033,794.68 and 9,792,327.40 is: 14,688,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355,877.76 : 47,033,794.68 = 9,792,327.40 : x
  2. Step 2: Convert to fraction form
    31,355,877.76/47,033,794.68 = 9,792,327.40/x
  3. Step 3: Cross multiply
    31,355,877.76x = 47,033,794.68 × 9,792,327.40
  4. Step 4: Simplify right side
    31,355,877.76x = 460,570,316,370,938.25
  5. Step 5: Solve for x
    x = 460,570,316,370,938.25/31,355,877.76
  6. Step 6: Final answer
    x = 14,688,484.24

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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.