Finding the Fourth Proportional to 19,813,746.36, 29,730,012.12 and 9,572,866.14
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Solution
The fourth proportional to 19,813,746.36, 29,730,012.12 and 9,572,866.14 is: 14,363,837.17
Step by Step Solution
- Step 1: Write the proportion equation
19,813,746.36 : 29,730,012.12 = 9,572,866.14 : x - Step 2: Convert to fraction form
19,813,746.36/29,730,012.12 = 9,572,866.14/x - Step 3: Cross multiply
19,813,746.36x = 29,730,012.12 × 9,572,866.14 - Step 4: Simplify right side
19,813,746.36x = 284,601,426,365,337.62 - Step 5: Solve for x
x = 284,601,426,365,337.62/19,813,746.36 - Step 6: Final answer
x = 14,363,837.17
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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.