Finding the Fourth Proportional to 42,943,471.52, 64,455,565.08 and 22,487,873.36
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Solution
The fourth proportional to 42,943,471.52, 64,455,565.08 and 22,487,873.36 is: 33,752,943.89
Step by Step Solution
- Step 1: Write the proportion equation
42,943,471.52 : 64,455,565.08 = 22,487,873.36 : x - Step 2: Convert to fraction form
42,943,471.52/64,455,565.08 = 22,487,873.36/x - Step 3: Cross multiply
42,943,471.52x = 64,455,565.08 × 22,487,873.36 - Step 4: Simplify right side
42,943,471.52x = 1,449,468,584,866,278.25 - Step 5: Solve for x
x = 1,449,468,584,866,278.25/42,943,471.52 - Step 6: Final answer
x = 33,752,943.89
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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.