Finding the Fourth Proportional to 19,874,715.64, 29,812,084.13 and 6,228,925.09
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Solution
The fourth proportional to 19,874,715.64, 29,812,084.13 and 6,228,925.09 is: 9,343,390.98
Step by Step Solution
- Step 1: Write the proportion equation
19,874,715.64 : 29,812,084.13 = 6,228,925.09 : x - Step 2: Convert to fraction form
19,874,715.64/29,812,084.13 = 6,228,925.09/x - Step 3: Cross multiply
19,874,715.64x = 29,812,084.13 × 6,228,925.09 - Step 4: Simplify right side
19,874,715.64x = 185,697,238,822,547.81 - Step 5: Solve for x
x = 185,697,238,822,547.81/19,874,715.64 - Step 6: Final answer
x = 9,343,390.98
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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.