Finding the Fourth Proportional to 14,299,981.66, 19,732,800.63 and 8,418,681.82
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Solution
The fourth proportional to 14,299,981.66, 19,732,800.63 and 8,418,681.82 is: 11,617,089.72
Step by Step Solution
- Step 1: Write the proportion equation
14,299,981.66 : 19,732,800.63 = 8,418,681.82 : x - Step 2: Convert to fraction form
14,299,981.66/19,732,800.63 = 8,418,681.82/x - Step 3: Cross multiply
14,299,981.66x = 19,732,800.63 × 8,418,681.82 - Step 4: Simplify right side
14,299,981.66x = 166,124,169,921,465.53 - Step 5: Solve for x
x = 166,124,169,921,465.53/14,299,981.66 - Step 6: Final answer
x = 11,617,089.72
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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.