Finding the Fourth Proportional to 19,268,931.38, 26,588,681.33 and 10,564,813.53
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Solution
The fourth proportional to 19,268,931.38, 26,588,681.33 and 10,564,813.53 is: 14,578,102.68
Step by Step Solution
- Step 1: Write the proportion equation
19,268,931.38 : 26,588,681.33 = 10,564,813.53 : x - Step 2: Convert to fraction form
19,268,931.38/26,588,681.33 = 10,564,813.53/x - Step 3: Cross multiply
19,268,931.38x = 26,588,681.33 × 10,564,813.53 - Step 4: Simplify right side
19,268,931.38x = 280,904,460,207,218.31 - Step 5: Solve for x
x = 280,904,460,207,218.31/19,268,931.38 - Step 6: Final answer
x = 14,578,102.68
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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.