Home / 18,963,305-26,169,430.29-10,261,477.70

Finding the Fourth Proportional to 18,963,305, 26,169,430.29 and 10,261,477.70

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Solution

The fourth proportional to 18,963,305, 26,169,430.29 and 10,261,477.70 is: 14,160,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,305 : 26,169,430.29 = 10,261,477.70 : x
  2. Step 2: Convert to fraction form
    18,963,305/26,169,430.29 = 10,261,477.70/x
  3. Step 3: Cross multiply
    18,963,305x = 26,169,430.29 × 10,261,477.70
  4. Step 4: Simplify right side
    18,963,305x = 268,537,025,342,539.50
  5. Step 5: Solve for x
    x = 268,537,025,342,539.50/18,963,305
  6. Step 6: Final answer
    x = 14,160,876.77

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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.