Finding the Fourth Proportional to 14,357,354.16, 19,813,382.34 and 7,830,981.96
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Solution
The fourth proportional to 14,357,354.16, 19,813,382.34 and 7,830,981.96 is: 10,806,882.52
Step by Step Solution
- Step 1: Write the proportion equation
14,357,354.16 : 19,813,382.34 = 7,830,981.96 : x - Step 2: Convert to fraction form
14,357,354.16/19,813,382.34 = 7,830,981.96/x - Step 3: Cross multiply
14,357,354.16x = 19,813,382.34 × 7,830,981.96 - Step 4: Simplify right side
14,357,354.16x = 155,158,239,671,122.59 - Step 5: Solve for x
x = 155,158,239,671,122.59/14,357,354.16 - Step 6: Final answer
x = 10,806,882.52
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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.