Home / 19,426,143-26,807,373.21-10,724,128.32

Finding the Fourth Proportional to 19,426,143, 26,807,373.21 and 10,724,128.32

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Solution

The fourth proportional to 19,426,143, 26,807,373.21 and 10,724,128.32 is: 14,798,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426,143 : 26,807,373.21 = 10,724,128.32 : x
  2. Step 2: Convert to fraction form
    19,426,143/26,807,373.21 = 10,724,128.32/x
  3. Step 3: Cross multiply
    19,426,143x = 26,807,373.21 × 10,724,128.32
  4. Step 4: Simplify right side
    19,426,143x = 287,485,710,226,170.31
  5. Step 5: Solve for x
    x = 287,485,710,226,170.31/19,426,143
  6. Step 6: Final answer
    x = 14,798,908.37

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Double scale
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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.