Finding the Fourth Proportional to 39,781,315.99, 59,671,990.54 and 17,896,132.54
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Solution
The fourth proportional to 39,781,315.99, 59,671,990.54 and 17,896,132.54 is: 26,844,206.26
Step by Step Solution
- Step 1: Write the proportion equation
39,781,315.99 : 59,671,990.54 = 17,896,132.54 : x - Step 2: Convert to fraction form
39,781,315.99/59,671,990.54 = 17,896,132.54/x - Step 3: Cross multiply
39,781,315.99x = 59,671,990.54 × 17,896,132.54 - Step 4: Simplify right side
39,781,315.99x = 1,067,897,851,726,426.38 - Step 5: Solve for x
x = 1,067,897,851,726,426.38/39,781,315.99 - Step 6: Final answer
x = 26,844,206.26
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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.