Finding the Fourth Proportional to 14,305,962.35, 19,742,368.61 and 7,779,733.62
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Solution
The fourth proportional to 14,305,962.35, 19,742,368.61 and 7,779,733.62 is: 10,736,108.84
Step by Step Solution
- Step 1: Write the proportion equation
14,305,962.35 : 19,742,368.61 = 7,779,733.62 : x - Step 2: Convert to fraction form
14,305,962.35/19,742,368.61 = 7,779,733.62/x - Step 3: Cross multiply
14,305,962.35x = 19,742,368.61 × 7,779,733.62 - Step 4: Simplify right side
14,305,962.35x = 153,590,368,833,099 - Step 5: Solve for x
x = 153,590,368,833,099/14,305,962.35 - Step 6: Final answer
x = 10,736,108.84
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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.