Finding the Fourth Proportional to 53,862,726.06, 74,330,647.11 and 30,657,854.70
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Solution
The fourth proportional to 53,862,726.06, 74,330,647.11 and 30,657,854.70 is: 42,307,887.95
Step by Step Solution
- Step 1: Write the proportion equation
53,862,726.06 : 74,330,647.11 = 30,657,854.70 : x - Step 2: Convert to fraction form
53,862,726.06/74,330,647.11 = 30,657,854.70/x - Step 3: Cross multiply
53,862,726.06x = 74,330,647.11 × 30,657,854.70 - Step 4: Simplify right side
53,862,726.06x = 2,278,818,178,855,355 - Step 5: Solve for x
x = 2,278,818,178,855,355/53,862,726.06 - Step 6: Final answer
x = 42,307,887.95
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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.