Finding the Fourth Proportional to 35,636,471.12, 49,178,328.36 and 19,338,947.12
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Solution
The fourth proportional to 35,636,471.12, 49,178,328.36 and 19,338,947.12 is: 26,687,746.06
Step by Step Solution
- Step 1: Write the proportion equation
35,636,471.12 : 49,178,328.36 = 19,338,947.12 : x - Step 2: Convert to fraction form
35,636,471.12/49,178,328.36 = 19,338,947.12/x - Step 3: Cross multiply
35,636,471.12x = 49,178,328.36 × 19,338,947.12 - Step 4: Simplify right side
35,636,471.12x = 951,057,091,604,036.38 - Step 5: Solve for x
x = 951,057,091,604,036.38/35,636,471.12 - Step 6: Final answer
x = 26,687,746.06
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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.