Finding the Fourth Proportional to 27,706,068.18, 38,234,425.98 and 15,482,925.18
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Solution
The fourth proportional to 27,706,068.18, 38,234,425.98 and 15,482,925.18 is: 21,366,465.75
Step by Step Solution
- Step 1: Write the proportion equation
27,706,068.18 : 38,234,425.98 = 15,482,925.18 : x - Step 2: Convert to fraction form
27,706,068.18/38,234,425.98 = 15,482,925.18/x - Step 3: Cross multiply
27,706,068.18x = 38,234,425.98 × 15,482,925.18 - Step 4: Simplify right side
27,706,068.18x = 591,980,756,748,588.12 - Step 5: Solve for x
x = 591,980,756,748,588.12/27,706,068.18 - Step 6: Final answer
x = 21,366,465.75
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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.