Home / 19,490,901.88-26,897,118.14-10,788,887.20

Finding the Fourth Proportional to 19,490,901.88, 26,897,118.14 and 10,788,887.20

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Solution

The fourth proportional to 19,490,901.88, 26,897,118.14 and 10,788,887.20 is: 14,888,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,901.88 : 26,897,118.14 = 10,788,887.20 : x
  2. Step 2: Convert to fraction form
    19,490,901.88/26,897,118.14 = 10,788,887.20/x
  3. Step 3: Cross multiply
    19,490,901.88x = 26,897,118.14 × 10,788,887.20
  4. Step 4: Simplify right side
    19,490,901.88x = 290,189,973,617,533.81
  5. Step 5: Solve for x
    x = 290,189,973,617,533.81/19,490,901.88
  6. Step 6: Final answer
    x = 14,888,483.63

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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.